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Diffstat (limited to 'data/transactions/logic/TEAL_opcodes.md')
| -rw-r--r-- | data/transactions/logic/TEAL_opcodes.md | 1110 |
1 files changed, 508 insertions, 602 deletions
diff --git a/data/transactions/logic/TEAL_opcodes.md b/data/transactions/logic/TEAL_opcodes.md index 69a86492c..3a85afc72 100644 --- a/data/transactions/logic/TEAL_opcodes.md +++ b/data/transactions/logic/TEAL_opcodes.md @@ -6,45 +6,40 @@ Ops have a 'cost' of 1 unless otherwise specified. ## err - Opcode: 0x00 -- Pops: _None_ -- Pushes: _None_ -- Error. Fail immediately. This is primarily a fencepost against accidental zero bytes getting compiled into programs. +- Stack: ... → ... +- Fail immediately. ## sha256 - Opcode: 0x01 -- Pops: *... stack*, []byte -- Pushes: []byte -- SHA256 hash of value X, yields [32]byte +- Stack: ..., A: []byte → ..., []byte +- SHA256 hash of value A, yields [32]byte - **Cost**: - - 7 (LogicSigVersion = 1) - - 35 (LogicSigVersion >= 2) + - 7 (v1) + - 35 (since v2) ## keccak256 - Opcode: 0x02 -- Pops: *... stack*, []byte -- Pushes: []byte -- Keccak256 hash of value X, yields [32]byte +- Stack: ..., A: []byte → ..., []byte +- Keccak256 hash of value A, yields [32]byte - **Cost**: - - 26 (LogicSigVersion = 1) - - 130 (LogicSigVersion >= 2) + - 26 (v1) + - 130 (since v2) ## sha512_256 - Opcode: 0x03 -- Pops: *... stack*, []byte -- Pushes: []byte -- SHA512_256 hash of value X, yields [32]byte +- Stack: ..., A: []byte → ..., []byte +- SHA512_256 hash of value A, yields [32]byte - **Cost**: - - 9 (LogicSigVersion = 1) - - 45 (LogicSigVersion >= 2) + - 9 (v1) + - 45 (since v2) ## ed25519verify - Opcode: 0x04 -- Pops: *... stack*, {[]byte A}, {[]byte B}, {[]byte C} -- Pushes: uint64 +- Stack: ..., A: []byte, B: []byte, C: []byte → ..., uint64 - for (data A, signature B, pubkey C) verify the signature of ("ProgData" || program_hash || data) against the pubkey => {0 or 1} - **Cost**: 1900 @@ -53,16 +48,15 @@ The 32 byte public key is the last element on the stack, preceded by the 64 byte ## ecdsa_verify v - Opcode: 0x05 {uint8 curve index} -- Pops: *... stack*, {[]byte A}, {[]byte B}, {[]byte C}, {[]byte D}, {[]byte E} -- Pushes: uint64 +- Stack: ..., A: []byte, B: []byte, C: []byte, D: []byte, E: []byte → ..., uint64 - for (data A, signature B, C and pubkey D, E) verify the signature of the data against the pubkey => {0 or 1} - **Cost**: 1700 -- LogicSigVersion >= 5 +- Availability: v5 `ECDSA` Curves: | Index | Name | Notes | -| --- | --- | --- | +| - | ------ | --------- | | 0 | Secp256k1 | secp256k1 curve | @@ -71,16 +65,15 @@ The 32 byte Y-component of a public key is the last element on the stack, preced ## ecdsa_pk_decompress v - Opcode: 0x06 {uint8 curve index} -- Pops: *... stack*, []byte -- Pushes: *... stack*, []byte, []byte -- decompress pubkey A into components X, Y => [*... stack*, X, Y] +- Stack: ..., A: []byte → ..., X: []byte, Y: []byte +- decompress pubkey A into components X, Y - **Cost**: 650 -- LogicSigVersion >= 5 +- Availability: v5 `ECDSA` Curves: | Index | Name | Notes | -| --- | --- | --- | +| - | ------ | --------- | | 0 | Secp256k1 | secp256k1 curve | @@ -89,16 +82,15 @@ The 33 byte public key in a compressed form to be decompressed into X and Y (top ## ecdsa_pk_recover v - Opcode: 0x07 {uint8 curve index} -- Pops: *... stack*, {[]byte A}, {uint64 B}, {[]byte C}, {[]byte D} -- Pushes: *... stack*, []byte, []byte -- for (data A, recovery id B, signature C, D) recover a public key => [*... stack*, X, Y] +- Stack: ..., A: []byte, B: uint64, C: []byte, D: []byte → ..., X: []byte, Y: []byte +- for (data A, recovery id B, signature C, D) recover a public key - **Cost**: 2000 -- LogicSigVersion >= 5 +- Availability: v5 `ECDSA` Curves: | Index | Name | Notes | -| --- | --- | --- | +| - | ------ | --------- | | 0 | Secp256k1 | secp256k1 curve | @@ -107,8 +99,7 @@ S (top) and R elements of a signature, recovery id and data (bottom) are expecte ## + - Opcode: 0x08 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A plus B. Fail on overflow. Overflow is an error condition which halts execution and fails the transaction. Full precision is available from `addw`. @@ -116,15 +107,13 @@ Overflow is an error condition which halts execution and fails the transaction. ## - - Opcode: 0x09 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A minus B. Fail if B > A. ## / - Opcode: 0x0a -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A divided by B (truncated division). Fail if B == 0. `divmodw` is available to divide the two-element values produced by `mulw` and `addw`. @@ -132,8 +121,7 @@ Overflow is an error condition which halts execution and fails the transaction. ## * - Opcode: 0x0b -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A times B. Fail on overflow. Overflow is an error condition which halts execution and fails the transaction. Full precision is available from `mulw`. @@ -141,153 +129,134 @@ Overflow is an error condition which halts execution and fails the transaction. ## < - Opcode: 0x0c -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A less than B => {0 or 1} ## > - Opcode: 0x0d -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A greater than B => {0 or 1} ## <= - Opcode: 0x0e -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A less than or equal to B => {0 or 1} ## >= - Opcode: 0x0f -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A greater than or equal to B => {0 or 1} ## && - Opcode: 0x10 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A is not zero and B is not zero => {0 or 1} ## || - Opcode: 0x11 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A is not zero or B is not zero => {0 or 1} ## == - Opcode: 0x12 -- Pops: *... stack*, {any A}, {any B} -- Pushes: uint64 +- Stack: ..., A, B → ..., uint64 - A is equal to B => {0 or 1} ## != - Opcode: 0x13 -- Pops: *... stack*, {any A}, {any B} -- Pushes: uint64 +- Stack: ..., A, B → ..., uint64 - A is not equal to B => {0 or 1} ## ! - Opcode: 0x14 -- Pops: *... stack*, uint64 -- Pushes: uint64 -- X == 0 yields 1; else 0 +- Stack: ..., A: uint64 → ..., uint64 +- A == 0 yields 1; else 0 ## len - Opcode: 0x15 -- Pops: *... stack*, []byte -- Pushes: uint64 -- yields length of byte value X +- Stack: ..., A: []byte → ..., uint64 +- yields length of byte value A ## itob - Opcode: 0x16 -- Pops: *... stack*, uint64 -- Pushes: []byte -- converts uint64 X to big endian bytes +- Stack: ..., A: uint64 → ..., []byte +- converts uint64 A to big endian bytes ## btoi - Opcode: 0x17 -- Pops: *... stack*, []byte -- Pushes: uint64 -- converts bytes X as big endian to uint64 +- Stack: ..., A: []byte → ..., uint64 +- converts bytes A as big endian to uint64 `btoi` fails if the input is longer than 8 bytes. ## % - Opcode: 0x18 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A modulo B. Fail if B == 0. ## | - Opcode: 0x19 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A bitwise-or B ## & - Opcode: 0x1a -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A bitwise-and B ## ^ - Opcode: 0x1b -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A bitwise-xor B ## ~ - Opcode: 0x1c -- Pops: *... stack*, uint64 -- Pushes: uint64 -- bitwise invert value X +- Stack: ..., A: uint64 → ..., uint64 +- bitwise invert value A ## mulw - Opcode: 0x1d -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: *... stack*, uint64, uint64 -- A times B out to 128-bit long result as low (top) and high uint64 values on the stack +- Stack: ..., A: uint64, B: uint64 → ..., X: uint64, Y: uint64 +- A times B as a 128-bit result in two uint64s. X is the high 64 bits, Y is the low ## addw - Opcode: 0x1e -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: *... stack*, uint64, uint64 -- A plus B out to 128-bit long result as sum (top) and carry-bit uint64 values on the stack -- LogicSigVersion >= 2 +- Stack: ..., A: uint64, B: uint64 → ..., X: uint64, Y: uint64 +- A plus B as a 128-bit result. X is the carry-bit, Y is the low-order 64 bits. +- Availability: v2 ## divmodw - Opcode: 0x1f -- Pops: *... stack*, {uint64 A}, {uint64 B}, {uint64 C}, {uint64 D} -- Pushes: *... stack*, uint64, uint64, uint64, uint64 -- Pop four uint64 values. The deepest two are interpreted as a uint128 dividend (deepest value is high word), the top two are interpreted as a uint128 divisor. Four uint64 values are pushed to the stack. The deepest two are the quotient (deeper value is the high uint64). The top two are the remainder, low bits on top. +- Stack: ..., A: uint64, B: uint64, C: uint64, D: uint64 → ..., W: uint64, X: uint64, Y: uint64, Z: uint64 +- W,X = (A,B / C,D); Y,Z = (A,B modulo C,D) - **Cost**: 20 -- LogicSigVersion >= 4 +- Availability: v4 + +The notation J,K indicates that two uint64 values J and K are interpreted as a uint128 value, with J as the high uint64 and K the low. ## intcblock uint ... - Opcode: 0x20 {varuint length} [{varuint value}, ...] -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - prepare block of uint64 constants for use by intc `intcblock` loads following program bytes into an array of integer constants in the evaluator. These integer constants can be referred to by `intc` and `intc_*` which will push the value onto the stack. Subsequent calls to `intcblock` reset and replace the integer constants available to the script. @@ -295,43 +264,37 @@ Overflow is an error condition which halts execution and fails the transaction. ## intc i - Opcode: 0x21 {uint8 int constant index} -- Pops: _None_ -- Pushes: uint64 -- push Ith constant from intcblock to stack +- Stack: ... → ..., uint64 +- Ith constant from intcblock ## intc_0 - Opcode: 0x22 -- Pops: _None_ -- Pushes: uint64 -- push constant 0 from intcblock to stack +- Stack: ... → ..., uint64 +- constant 0 from intcblock ## intc_1 - Opcode: 0x23 -- Pops: _None_ -- Pushes: uint64 -- push constant 1 from intcblock to stack +- Stack: ... → ..., uint64 +- constant 1 from intcblock ## intc_2 - Opcode: 0x24 -- Pops: _None_ -- Pushes: uint64 -- push constant 2 from intcblock to stack +- Stack: ... → ..., uint64 +- constant 2 from intcblock ## intc_3 - Opcode: 0x25 -- Pops: _None_ -- Pushes: uint64 -- push constant 3 from intcblock to stack +- Stack: ... → ..., uint64 +- constant 3 from intcblock ## bytecblock bytes ... - Opcode: 0x26 {varuint length} [({varuint value length} bytes), ...] -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - prepare block of byte-array constants for use by bytec `bytecblock` loads the following program bytes into an array of byte-array constants in the evaluator. These constants can be referred to by `bytec` and `bytec_*` which will push the value onto the stack. Subsequent calls to `bytecblock` reset and replace the bytes constants available to the script. @@ -339,151 +302,140 @@ Overflow is an error condition which halts execution and fails the transaction. ## bytec i - Opcode: 0x27 {uint8 byte constant index} -- Pops: _None_ -- Pushes: []byte -- push Ith constant from bytecblock to stack +- Stack: ... → ..., []byte +- Ith constant from bytecblock ## bytec_0 - Opcode: 0x28 -- Pops: _None_ -- Pushes: []byte -- push constant 0 from bytecblock to stack +- Stack: ... → ..., []byte +- constant 0 from bytecblock ## bytec_1 - Opcode: 0x29 -- Pops: _None_ -- Pushes: []byte -- push constant 1 from bytecblock to stack +- Stack: ... → ..., []byte +- constant 1 from bytecblock ## bytec_2 - Opcode: 0x2a -- Pops: _None_ -- Pushes: []byte -- push constant 2 from bytecblock to stack +- Stack: ... → ..., []byte +- constant 2 from bytecblock ## bytec_3 - Opcode: 0x2b -- Pops: _None_ -- Pushes: []byte -- push constant 3 from bytecblock to stack +- Stack: ... → ..., []byte +- constant 3 from bytecblock ## arg n - Opcode: 0x2c {uint8 arg index N} -- Pops: _None_ -- Pushes: []byte -- push Nth LogicSig argument to stack +- Stack: ... → ..., []byte +- Nth LogicSig argument - Mode: Signature ## arg_0 - Opcode: 0x2d -- Pops: _None_ -- Pushes: []byte -- push LogicSig argument 0 to stack +- Stack: ... → ..., []byte +- LogicSig argument 0 - Mode: Signature ## arg_1 - Opcode: 0x2e -- Pops: _None_ -- Pushes: []byte -- push LogicSig argument 1 to stack +- Stack: ... → ..., []byte +- LogicSig argument 1 - Mode: Signature ## arg_2 - Opcode: 0x2f -- Pops: _None_ -- Pushes: []byte -- push LogicSig argument 2 to stack +- Stack: ... → ..., []byte +- LogicSig argument 2 - Mode: Signature ## arg_3 - Opcode: 0x30 -- Pops: _None_ -- Pushes: []byte -- push LogicSig argument 3 to stack +- Stack: ... → ..., []byte +- LogicSig argument 3 - Mode: Signature ## txn f - Opcode: 0x31 {uint8 transaction field index} -- Pops: _None_ -- Pushes: any -- push field F of current transaction to stack +- Stack: ... → ..., any +- field F of current transaction `txn` Fields (see [transaction reference](https://developer.algorand.org/docs/reference/transactions/)): -| Index | Name | Type | Notes | -| --- | --- | --- | --- | -| 0 | Sender | []byte | 32 byte address | -| 1 | Fee | uint64 | micro-Algos | -| 2 | FirstValid | uint64 | round number | -| 3 | FirstValidTime | uint64 | Causes program to fail; reserved for future use | -| 4 | LastValid | uint64 | round number | -| 5 | Note | []byte | Any data up to 1024 bytes | -| 6 | Lease | []byte | 32 byte lease value | -| 7 | Receiver | []byte | 32 byte address | -| 8 | Amount | uint64 | micro-Algos | -| 9 | CloseRemainderTo | []byte | 32 byte address | -| 10 | VotePK | []byte | 32 byte address | -| 11 | SelectionPK | []byte | 32 byte address | -| 12 | VoteFirst | uint64 | The first round that the participation key is valid. | -| 13 | VoteLast | uint64 | The last round that the participation key is valid. | -| 14 | VoteKeyDilution | uint64 | Dilution for the 2-level participation key | -| 15 | Type | []byte | Transaction type as bytes | -| 16 | TypeEnum | uint64 | See table below | -| 17 | XferAsset | uint64 | Asset ID | -| 18 | AssetAmount | uint64 | value in Asset's units | -| 19 | AssetSender | []byte | 32 byte address. Causes clawback of all value of asset from AssetSender if Sender is the Clawback address of the asset. | -| 20 | AssetReceiver | []byte | 32 byte address | -| 21 | AssetCloseTo | []byte | 32 byte address | -| 22 | GroupIndex | uint64 | Position of this transaction within an atomic transaction group. A stand-alone transaction is implicitly element 0 in a group of 1 | -| 23 | TxID | []byte | The computed ID for this transaction. 32 bytes. | -| 24 | ApplicationID | uint64 | ApplicationID from ApplicationCall transaction. LogicSigVersion >= 2. | -| 25 | OnCompletion | uint64 | ApplicationCall transaction on completion action. LogicSigVersion >= 2. | -| 26 | ApplicationArgs | []byte | Arguments passed to the application in the ApplicationCall transaction. LogicSigVersion >= 2. | -| 27 | NumAppArgs | uint64 | Number of ApplicationArgs. LogicSigVersion >= 2. | -| 28 | Accounts | []byte | Accounts listed in the ApplicationCall transaction. LogicSigVersion >= 2. | -| 29 | NumAccounts | uint64 | Number of Accounts. LogicSigVersion >= 2. | -| 30 | ApprovalProgram | []byte | Approval program. LogicSigVersion >= 2. | -| 31 | ClearStateProgram | []byte | Clear state program. LogicSigVersion >= 2. | -| 32 | RekeyTo | []byte | 32 byte Sender's new AuthAddr. LogicSigVersion >= 2. | -| 33 | ConfigAsset | uint64 | Asset ID in asset config transaction. LogicSigVersion >= 2. | -| 34 | ConfigAssetTotal | uint64 | Total number of units of this asset created. LogicSigVersion >= 2. | -| 35 | ConfigAssetDecimals | uint64 | Number of digits to display after the decimal place when displaying the asset. LogicSigVersion >= 2. | -| 36 | ConfigAssetDefaultFrozen | uint64 | Whether the asset's slots are frozen by default or not, 0 or 1. LogicSigVersion >= 2. | -| 37 | ConfigAssetUnitName | []byte | Unit name of the asset. LogicSigVersion >= 2. | -| 38 | ConfigAssetName | []byte | The asset name. LogicSigVersion >= 2. | -| 39 | ConfigAssetURL | []byte | URL. LogicSigVersion >= 2. | -| 40 | ConfigAssetMetadataHash | []byte | 32 byte commitment to some unspecified asset metadata. LogicSigVersion >= 2. | -| 41 | ConfigAssetManager | []byte | 32 byte address. LogicSigVersion >= 2. | -| 42 | ConfigAssetReserve | []byte | 32 byte address. LogicSigVersion >= 2. | -| 43 | ConfigAssetFreeze | []byte | 32 byte address. LogicSigVersion >= 2. | -| 44 | ConfigAssetClawback | []byte | 32 byte address. LogicSigVersion >= 2. | -| 45 | FreezeAsset | uint64 | Asset ID being frozen or un-frozen. LogicSigVersion >= 2. | -| 46 | FreezeAssetAccount | []byte | 32 byte address of the account whose asset slot is being frozen or un-frozen. LogicSigVersion >= 2. | -| 47 | FreezeAssetFrozen | uint64 | The new frozen value, 0 or 1. LogicSigVersion >= 2. | -| 48 | Assets | uint64 | Foreign Assets listed in the ApplicationCall transaction. LogicSigVersion >= 3. | -| 49 | NumAssets | uint64 | Number of Assets. LogicSigVersion >= 3. | -| 50 | Applications | uint64 | Foreign Apps listed in the ApplicationCall transaction. LogicSigVersion >= 3. | -| 51 | NumApplications | uint64 | Number of Applications. LogicSigVersion >= 3. | -| 52 | GlobalNumUint | uint64 | Number of global state integers in ApplicationCall. LogicSigVersion >= 3. | -| 53 | GlobalNumByteSlice | uint64 | Number of global state byteslices in ApplicationCall. LogicSigVersion >= 3. | -| 54 | LocalNumUint | uint64 | Number of local state integers in ApplicationCall. LogicSigVersion >= 3. | -| 55 | LocalNumByteSlice | uint64 | Number of local state byteslices in ApplicationCall. LogicSigVersion >= 3. | -| 56 | ExtraProgramPages | uint64 | Number of additional pages for each of the application's approval and clear state programs. An ExtraProgramPages of 1 means 2048 more total bytes, or 1024 for each program. LogicSigVersion >= 4. | -| 57 | Nonparticipation | uint64 | Marks an account nonparticipating for rewards. LogicSigVersion >= 5. | -| 58 | Logs | []byte | Log messages emitted by an application call (itxn only). LogicSigVersion >= 5. | -| 59 | NumLogs | uint64 | Number of Logs (itxn only). LogicSigVersion >= 5. | -| 60 | CreatedAssetID | uint64 | Asset ID allocated by the creation of an ASA (itxn only). LogicSigVersion >= 5. | -| 61 | CreatedApplicationID | uint64 | ApplicationID allocated by the creation of an application (itxn only). LogicSigVersion >= 5. | +| Index | Name | Type | In | Notes | +| - | ------ | -- | - | --------- | +| 0 | Sender | []byte | | 32 byte address | +| 1 | Fee | uint64 | | microalgos | +| 2 | FirstValid | uint64 | | round number | +| 3 | FirstValidTime | uint64 | | Causes program to fail; reserved for future use | +| 4 | LastValid | uint64 | | round number | +| 5 | Note | []byte | | Any data up to 1024 bytes | +| 6 | Lease | []byte | | 32 byte lease value | +| 7 | Receiver | []byte | | 32 byte address | +| 8 | Amount | uint64 | | microalgos | +| 9 | CloseRemainderTo | []byte | | 32 byte address | +| 10 | VotePK | []byte | | 32 byte address | +| 11 | SelectionPK | []byte | | 32 byte address | +| 12 | VoteFirst | uint64 | | The first round that the participation key is valid. | +| 13 | VoteLast | uint64 | | The last round that the participation key is valid. | +| 14 | VoteKeyDilution | uint64 | | Dilution for the 2-level participation key | +| 15 | Type | []byte | | Transaction type as bytes | +| 16 | TypeEnum | uint64 | | See table below | +| 17 | XferAsset | uint64 | | Asset ID | +| 18 | AssetAmount | uint64 | | value in Asset's units | +| 19 | AssetSender | []byte | | 32 byte address. Causes clawback of all value of asset from AssetSender if Sender is the Clawback address of the asset. | +| 20 | AssetReceiver | []byte | | 32 byte address | +| 21 | AssetCloseTo | []byte | | 32 byte address | +| 22 | GroupIndex | uint64 | | Position of this transaction within an atomic transaction group. A stand-alone transaction is implicitly element 0 in a group of 1 | +| 23 | TxID | []byte | | The computed ID for this transaction. 32 bytes. | +| 24 | ApplicationID | uint64 | v2 | ApplicationID from ApplicationCall transaction | +| 25 | OnCompletion | uint64 | v2 | ApplicationCall transaction on completion action | +| 26 | ApplicationArgs | []byte | v2 | Arguments passed to the application in the ApplicationCall transaction | +| 27 | NumAppArgs | uint64 | v2 | Number of ApplicationArgs | +| 28 | Accounts | []byte | v2 | Accounts listed in the ApplicationCall transaction | +| 29 | NumAccounts | uint64 | v2 | Number of Accounts | +| 30 | ApprovalProgram | []byte | v2 | Approval program | +| 31 | ClearStateProgram | []byte | v2 | Clear state program | +| 32 | RekeyTo | []byte | v2 | 32 byte Sender's new AuthAddr | +| 33 | ConfigAsset | uint64 | v2 | Asset ID in asset config transaction | +| 34 | ConfigAssetTotal | uint64 | v2 | Total number of units of this asset created | +| 35 | ConfigAssetDecimals | uint64 | v2 | Number of digits to display after the decimal place when displaying the asset | +| 36 | ConfigAssetDefaultFrozen | uint64 | v2 | Whether the asset's slots are frozen by default or not, 0 or 1 | +| 37 | ConfigAssetUnitName | []byte | v2 | Unit name of the asset | +| 38 | ConfigAssetName | []byte | v2 | The asset name | +| 39 | ConfigAssetURL | []byte | v2 | URL | +| 40 | ConfigAssetMetadataHash | []byte | v2 | 32 byte commitment to some unspecified asset metadata | +| 41 | ConfigAssetManager | []byte | v2 | 32 byte address | +| 42 | ConfigAssetReserve | []byte | v2 | 32 byte address | +| 43 | ConfigAssetFreeze | []byte | v2 | 32 byte address | +| 44 | ConfigAssetClawback | []byte | v2 | 32 byte address | +| 45 | FreezeAsset | uint64 | v2 | Asset ID being frozen or un-frozen | +| 46 | FreezeAssetAccount | []byte | v2 | 32 byte address of the account whose asset slot is being frozen or un-frozen | +| 47 | FreezeAssetFrozen | uint64 | v2 | The new frozen value, 0 or 1 | +| 48 | Assets | uint64 | v3 | Foreign Assets listed in the ApplicationCall transaction | +| 49 | NumAssets | uint64 | v3 | Number of Assets | +| 50 | Applications | uint64 | v3 | Foreign Apps listed in the ApplicationCall transaction | +| 51 | NumApplications | uint64 | v3 | Number of Applications | +| 52 | GlobalNumUint | uint64 | v3 | Number of global state integers in ApplicationCall | +| 53 | GlobalNumByteSlice | uint64 | v3 | Number of global state byteslices in ApplicationCall | +| 54 | LocalNumUint | uint64 | v3 | Number of local state integers in ApplicationCall | +| 55 | LocalNumByteSlice | uint64 | v3 | Number of local state byteslices in ApplicationCall | +| 56 | ExtraProgramPages | uint64 | v4 | Number of additional pages for each of the application's approval and clear state programs. An ExtraProgramPages of 1 means 2048 more total bytes, or 1024 for each program. | +| 57 | Nonparticipation | uint64 | v5 | Marks an account nonparticipating for rewards | +| 58 | Logs | []byte | v5 | Log messages emitted by an application call (`itxn` only until v6). Application mode only | +| 59 | NumLogs | uint64 | v5 | Number of Logs (`itxn` only until v6). Application mode only | +| 60 | CreatedAssetID | uint64 | v5 | Asset ID allocated by the creation of an ASA (`itxn` only until v6). Application mode only | +| 61 | CreatedApplicationID | uint64 | v5 | ApplicationID allocated by the creation of an application (`itxn` only until v6). Application mode only | TypeEnum mapping: @@ -504,92 +456,86 @@ FirstValidTime causes the program to fail. The field is reserved for future use. ## global f - Opcode: 0x32 {uint8 global field index} -- Pops: _None_ -- Pushes: any -- push value from globals to stack +- Stack: ... → ..., any +- global field F `global` Fields: -| Index | Name | Type | Notes | -| --- | --- | --- | --- | -| 0 | MinTxnFee | uint64 | micro Algos | -| 1 | MinBalance | uint64 | micro Algos | -| 2 | MaxTxnLife | uint64 | rounds | -| 3 | ZeroAddress | []byte | 32 byte address of all zero bytes | -| 4 | GroupSize | uint64 | Number of transactions in this atomic transaction group. At least 1 | -| 5 | LogicSigVersion | uint64 | Maximum supported TEAL version. LogicSigVersion >= 2. | -| 6 | Round | uint64 | Current round number. LogicSigVersion >= 2. | -| 7 | LatestTimestamp | uint64 | Last confirmed block UNIX timestamp. Fails if negative. LogicSigVersion >= 2. | -| 8 | CurrentApplicationID | uint64 | ID of current application executing. Fails in LogicSigs. LogicSigVersion >= 2. | -| 9 | CreatorAddress | []byte | Address of the creator of the current application. Fails if no such application is executing. LogicSigVersion >= 3. | -| 10 | CurrentApplicationAddress | []byte | Address that the current application controls. Fails in LogicSigs. LogicSigVersion >= 5. | -| 11 | GroupID | []byte | ID of the transaction group. 32 zero bytes if the transaction is not part of a group. LogicSigVersion >= 5. | +| Index | Name | Type | In | Notes | +| - | ------ | -- | - | --------- | +| 0 | MinTxnFee | uint64 | | microalgos | +| 1 | MinBalance | uint64 | | microalgos | +| 2 | MaxTxnLife | uint64 | | rounds | +| 3 | ZeroAddress | []byte | | 32 byte address of all zero bytes | +| 4 | GroupSize | uint64 | | Number of transactions in this atomic transaction group. At least 1 | +| 5 | LogicSigVersion | uint64 | v2 | Maximum supported version | +| 6 | Round | uint64 | v2 | Current round number. Application mode only. | +| 7 | LatestTimestamp | uint64 | v2 | Last confirmed block UNIX timestamp. Fails if negative. Application mode only. | +| 8 | CurrentApplicationID | uint64 | v2 | ID of current application executing. Application mode only. | +| 9 | CreatorAddress | []byte | v3 | Address of the creator of the current application. Application mode only. | +| 10 | CurrentApplicationAddress | []byte | v5 | Address that the current application controls. Application mode only. | +| 11 | GroupID | []byte | v5 | ID of the transaction group. 32 zero bytes if the transaction is not part of a group. | +| 12 | OpcodeBudget | uint64 | v6 | The remaining cost that can be spent by opcodes in this program. | +| 13 | CallerApplicationID | uint64 | v6 | The application ID of the application that called this application. 0 if this application is at the top-level. Application mode only. | +| 14 | CallerApplicationAddress | []byte | v6 | The application address of the application that called this application. ZeroAddress if this application is at the top-level. Application mode only. | ## gtxn t f - Opcode: 0x33 {uint8 transaction group index} {uint8 transaction field index} -- Pops: _None_ -- Pushes: any -- push field F of the Tth transaction in the current group +- Stack: ... → ..., any +- field F of the Tth transaction in the current group for notes on transaction fields available, see `txn`. If this transaction is _i_ in the group, `gtxn i field` is equivalent to `txn field`. ## load i - Opcode: 0x34 {uint8 position in scratch space to load from} -- Pops: _None_ -- Pushes: any -- copy a value from scratch space to the stack. All scratch spaces are 0 at program start. +- Stack: ... → ..., any +- Ith scratch space value. All scratch spaces are 0 at program start. ## store i - Opcode: 0x35 {uint8 position in scratch space to store to} -- Pops: *... stack*, any -- Pushes: _None_ -- pop value X. store X to the Ith scratch space +- Stack: ..., A → ... +- store A to the Ith scratch space ## txna f i - Opcode: 0x36 {uint8 transaction field index} {uint8 transaction field array index} -- Pops: _None_ -- Pushes: any -- push Ith value of the array field F of the current transaction -- LogicSigVersion >= 2 +- Stack: ... → ..., any +- Ith value of the array field F of the current transaction +- Availability: v2 ## gtxna t f i - Opcode: 0x37 {uint8 transaction group index} {uint8 transaction field index} {uint8 transaction field array index} -- Pops: _None_ -- Pushes: any -- push Ith value of the array field F from the Tth transaction in the current group -- LogicSigVersion >= 2 +- Stack: ... → ..., any +- Ith value of the array field F from the Tth transaction in the current group +- Availability: v2 ## gtxns f - Opcode: 0x38 {uint8 transaction field index} -- Pops: *... stack*, uint64 -- Pushes: any -- push field F of the Xth transaction in the current group -- LogicSigVersion >= 3 +- Stack: ..., A: uint64 → ..., any +- field F of the Ath transaction in the current group +- Availability: v3 for notes on transaction fields available, see `txn`. If top of stack is _i_, `gtxns field` is equivalent to `gtxn _i_ field`. gtxns exists so that _i_ can be calculated, often based on the index of the current transaction. ## gtxnsa f i - Opcode: 0x39 {uint8 transaction field index} {uint8 transaction field array index} -- Pops: *... stack*, uint64 -- Pushes: any -- push Ith value of the array field F from the Xth transaction in the current group -- LogicSigVersion >= 3 +- Stack: ..., A: uint64 → ..., any +- Ith value of the array field F from the Ath transaction in the current group +- Availability: v3 ## gload t i - Opcode: 0x3a {uint8 transaction group index} {uint8 position in scratch space to load from} -- Pops: _None_ -- Pushes: any -- push Ith scratch space index of the Tth transaction in the current group -- LogicSigVersion >= 4 +- Stack: ... → ..., any +- Ith scratch space value of the Tth transaction in the current group +- Availability: v4 - Mode: Application `gload` fails unless the requested transaction is an ApplicationCall and T < GroupIndex. @@ -597,21 +543,19 @@ for notes on transaction fields available, see `txn`. If top of stack is _i_, `g ## gloads i - Opcode: 0x3b {uint8 position in scratch space to load from} -- Pops: *... stack*, uint64 -- Pushes: any -- push Ith scratch space index of the Xth transaction in the current group -- LogicSigVersion >= 4 +- Stack: ..., A: uint64 → ..., any +- Ith scratch space value of the Ath transaction in the current group +- Availability: v4 - Mode: Application -`gloads` fails unless the requested transaction is an ApplicationCall and X < GroupIndex. +`gloads` fails unless the requested transaction is an ApplicationCall and A < GroupIndex. ## gaid t - Opcode: 0x3c {uint8 transaction group index} -- Pops: _None_ -- Pushes: uint64 -- push the ID of the asset or application created in the Tth transaction of the current group -- LogicSigVersion >= 4 +- Stack: ... → ..., uint64 +- ID of the asset or application created in the Tth transaction of the current group +- Availability: v4 - Mode: Application `gaid` fails unless the requested transaction created an asset or application and T < GroupIndex. @@ -619,36 +563,32 @@ for notes on transaction fields available, see `txn`. If top of stack is _i_, `g ## gaids - Opcode: 0x3d -- Pops: *... stack*, uint64 -- Pushes: uint64 -- push the ID of the asset or application created in the Xth transaction of the current group -- LogicSigVersion >= 4 +- Stack: ..., A: uint64 → ..., uint64 +- ID of the asset or application created in the Ath transaction of the current group +- Availability: v4 - Mode: Application -`gaids` fails unless the requested transaction created an asset or application and X < GroupIndex. +`gaids` fails unless the requested transaction created an asset or application and A < GroupIndex. ## loads - Opcode: 0x3e -- Pops: *... stack*, uint64 -- Pushes: any -- copy a value from the Xth scratch space to the stack. All scratch spaces are 0 at program start. -- LogicSigVersion >= 5 +- Stack: ..., A: uint64 → ..., any +- Ath scratch space value. All scratch spaces are 0 at program start. +- Availability: v5 ## stores - Opcode: 0x3f -- Pops: *... stack*, {uint64 A}, {any B} -- Pushes: _None_ -- pop indexes A and B. store B to the Ath scratch space -- LogicSigVersion >= 5 +- Stack: ..., A: uint64, B → ... +- store B to the Ath scratch space +- Availability: v5 ## bnz target - Opcode: 0x40 {int16 branch offset, big endian} -- Pops: *... stack*, uint64 -- Pushes: _None_ -- branch to TARGET if value X is not zero +- Stack: ..., A: uint64 → ... +- branch to TARGET if value A is not zero The `bnz` instruction opcode 0x40 is followed by two immediate data bytes which are a high byte first and low byte second which together form a 16 bit offset which the instruction may branch to. For a bnz instruction at `pc`, if the last element of the stack is not zero then branch to instruction at `pc + 3 + N`, else proceed to next instruction at `pc + 3`. Branch targets must be aligned instructions. (e.g. Branching to the second byte of a 2 byte op will be rejected.) Starting at v4, the offset is treated as a signed 16 bit integer allowing for backward branches and looping. In prior version (v1 to v3), branch offsets are limited to forward branches only, 0-0x7fff. @@ -657,265 +597,235 @@ At v2 it became allowed to branch to the end of the program exactly after the la ## bz target - Opcode: 0x41 {int16 branch offset, big endian} -- Pops: *... stack*, uint64 -- Pushes: _None_ -- branch to TARGET if value X is zero -- LogicSigVersion >= 2 +- Stack: ..., A: uint64 → ... +- branch to TARGET if value A is zero +- Availability: v2 See `bnz` for details on how branches work. `bz` inverts the behavior of `bnz`. ## b target - Opcode: 0x42 {int16 branch offset, big endian} -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - branch unconditionally to TARGET -- LogicSigVersion >= 2 +- Availability: v2 See `bnz` for details on how branches work. `b` always jumps to the offset. ## return - Opcode: 0x43 -- Pops: *... stack*, uint64 -- Pushes: _None_ -- use last value on stack as success value; end -- LogicSigVersion >= 2 +- Stack: ..., A: uint64 → ... +- use A as success value; end +- Availability: v2 ## assert - Opcode: 0x44 -- Pops: *... stack*, uint64 -- Pushes: _None_ -- immediately fail unless value X is a non-zero number -- LogicSigVersion >= 3 +- Stack: ..., A: uint64 → ... +- immediately fail unless X is a non-zero number +- Availability: v3 ## pop - Opcode: 0x48 -- Pops: *... stack*, any -- Pushes: _None_ -- discard value X from stack +- Stack: ..., A → ... +- discard A ## dup - Opcode: 0x49 -- Pops: *... stack*, any -- Pushes: *... stack*, any, any -- duplicate last value on stack +- Stack: ..., A → ..., A, A +- duplicate A ## dup2 - Opcode: 0x4a -- Pops: *... stack*, {any A}, {any B} -- Pushes: *... stack*, any, any, any, any -- duplicate two last values on stack: A, B -> A, B, A, B -- LogicSigVersion >= 2 +- Stack: ..., A, B → ..., A, B, A, B +- duplicate A and B +- Availability: v2 ## dig n - Opcode: 0x4b {uint8 depth} -- Pops: *... stack*, any -- Pushes: *... stack*, any, any -- push the Nth value from the top of the stack. dig 0 is equivalent to dup -- LogicSigVersion >= 3 +- Stack: ..., A, [N items] → ..., A, [N items], A +- Nth value from the top of the stack. dig 0 is equivalent to dup +- Availability: v3 ## swap - Opcode: 0x4c -- Pops: *... stack*, {any A}, {any B} -- Pushes: *... stack*, any, any -- swaps two last values on stack: A, B -> B, A -- LogicSigVersion >= 3 +- Stack: ..., A, B → ..., B, A +- swaps A and B on stack +- Availability: v3 ## select - Opcode: 0x4d -- Pops: *... stack*, {any A}, {any B}, {uint64 C} -- Pushes: any -- selects one of two values based on top-of-stack: A, B, C -> (if C != 0 then B else A) -- LogicSigVersion >= 3 +- Stack: ..., A, B, C → ..., A or B +- selects one of two values based on top-of-stack: B if C != 0, else A +- Availability: v3 ## cover n - Opcode: 0x4e {uint8 depth} -- Pops: *... stack*, any -- Pushes: any +- Stack: ..., [N items], A → ..., A, [N items] - remove top of stack, and place it deeper in the stack such that N elements are above it. Fails if stack depth <= N. -- LogicSigVersion >= 5 +- Availability: v5 ## uncover n - Opcode: 0x4f {uint8 depth} -- Pops: *... stack*, any -- Pushes: any +- Stack: ..., A, [N items] → ..., [N items], A - remove the value at depth N in the stack and shift above items down so the Nth deep value is on top of the stack. Fails if stack depth <= N. -- LogicSigVersion >= 5 +- Availability: v5 ## concat - Opcode: 0x50 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- pop two byte-arrays A and B and join them, push the result -- LogicSigVersion >= 2 +- Stack: ..., A: []byte, B: []byte → ..., []byte +- join A and B +- Availability: v2 `concat` fails if the result would be greater than 4096 bytes. ## substring s e - Opcode: 0x51 {uint8 start position} {uint8 end position} -- Pops: *... stack*, []byte -- Pushes: []byte -- pop a byte-array A. For immediate values in 0..255 S and E: extract a range of bytes from A starting at S up to but not including E, push the substring result. If E < S, or either is larger than the array length, the program fails -- LogicSigVersion >= 2 +- Stack: ..., A: []byte → ..., []byte +- A range of bytes from A starting at S up to but not including E. If E < S, or either is larger than the array length, the program fails +- Availability: v2 ## substring3 - Opcode: 0x52 -- Pops: *... stack*, {[]byte A}, {uint64 B}, {uint64 C} -- Pushes: []byte -- pop a byte-array A and two integers B and C. Extract a range of bytes from A starting at B up to but not including C, push the substring result. If C < B, or either is larger than the array length, the program fails -- LogicSigVersion >= 2 +- Stack: ..., A: []byte, B: uint64, C: uint64 → ..., []byte +- A range of bytes from A starting at B up to but not including C. If C < B, or either is larger than the array length, the program fails +- Availability: v2 ## getbit - Opcode: 0x53 -- Pops: *... stack*, {any A}, {uint64 B} -- Pushes: uint64 -- pop a target A (integer or byte-array), and index B. Push the Bth bit of A. -- LogicSigVersion >= 3 +- Stack: ..., A, B: uint64 → ..., uint64 +- Bth bit of (byte-array or integer) A. +- Availability: v3 see explanation of bit ordering in setbit ## setbit - Opcode: 0x54 -- Pops: *... stack*, {any A}, {uint64 B}, {uint64 C} -- Pushes: any -- pop a target A, index B, and bit C. Set the Bth bit of A to C, and push the result -- LogicSigVersion >= 3 +- Stack: ..., A, B: uint64, C: uint64 → ..., any +- Copy of (byte-array or integer) A, with the Bth bit set to (0 or 1) C +- Availability: v3 When A is a uint64, index 0 is the least significant bit. Setting bit 3 to 1 on the integer 0 yields 8, or 2^3. When A is a byte array, index 0 is the leftmost bit of the leftmost byte. Setting bits 0 through 11 to 1 in a 4-byte-array of 0s yields the byte array 0xfff00000. Setting bit 3 to 1 on the 1-byte-array 0x00 yields the byte array 0x10. ## getbyte - Opcode: 0x55 -- Pops: *... stack*, {[]byte A}, {uint64 B} -- Pushes: uint64 -- pop a byte-array A and integer B. Extract the Bth byte of A and push it as an integer -- LogicSigVersion >= 3 +- Stack: ..., A: []byte, B: uint64 → ..., uint64 +- Bth byte of A, as an integer +- Availability: v3 ## setbyte - Opcode: 0x56 -- Pops: *... stack*, {[]byte A}, {uint64 B}, {uint64 C} -- Pushes: []byte -- pop a byte-array A, integer B, and small integer C (between 0..255). Set the Bth byte of A to C, and push the result -- LogicSigVersion >= 3 +- Stack: ..., A: []byte, B: uint64, C: uint64 → ..., []byte +- Copy of A with the Bth byte set to small integer (between 0..255) C +- Availability: v3 ## extract s l - Opcode: 0x57 {uint8 start position} {uint8 length} -- Pops: *... stack*, []byte -- Pushes: []byte -- pop a byte-array A. For immediate values in 0..255 S and L: extract a range of bytes from A starting at S up to but not including S+L, push the substring result. If L is 0, then extract to the end of the string. If S or S+L is larger than the array length, the program fails -- LogicSigVersion >= 5 +- Stack: ..., A: []byte → ..., []byte +- A range of bytes from A starting at S up to but not including S+L. If L is 0, then extract to the end of the string. If S or S+L is larger than the array length, the program fails +- Availability: v5 ## extract3 - Opcode: 0x58 -- Pops: *... stack*, {[]byte A}, {uint64 B}, {uint64 C} -- Pushes: []byte -- pop a byte-array A and two integers B and C. Extract a range of bytes from A starting at B up to but not including B+C, push the substring result. If B+C is larger than the array length, the program fails -- LogicSigVersion >= 5 +- Stack: ..., A: []byte, B: uint64, C: uint64 → ..., []byte +- A range of bytes from A starting at B up to but not including B+C. If B+C is larger than the array length, the program fails +- Availability: v5 ## extract_uint16 - Opcode: 0x59 -- Pops: *... stack*, {[]byte A}, {uint64 B} -- Pushes: uint64 -- pop a byte-array A and integer B. Extract a range of bytes from A starting at B up to but not including B+2, convert bytes as big endian and push the uint64 result. If B+2 is larger than the array length, the program fails -- LogicSigVersion >= 5 +- Stack: ..., A: []byte, B: uint64 → ..., uint64 +- A uint16 formed from a range of big-endian bytes from A starting at B up to but not including B+2. If B+2 is larger than the array length, the program fails +- Availability: v5 ## extract_uint32 - Opcode: 0x5a -- Pops: *... stack*, {[]byte A}, {uint64 B} -- Pushes: uint64 -- pop a byte-array A and integer B. Extract a range of bytes from A starting at B up to but not including B+4, convert bytes as big endian and push the uint64 result. If B+4 is larger than the array length, the program fails -- LogicSigVersion >= 5 +- Stack: ..., A: []byte, B: uint64 → ..., uint64 +- A uint32 formed from a range of big-endian bytes from A starting at B up to but not including B+4. If B+4 is larger than the array length, the program fails +- Availability: v5 ## extract_uint64 - Opcode: 0x5b -- Pops: *... stack*, {[]byte A}, {uint64 B} -- Pushes: uint64 -- pop a byte-array A and integer B. Extract a range of bytes from A starting at B up to but not including B+8, convert bytes as big endian and push the uint64 result. If B+8 is larger than the array length, the program fails -- LogicSigVersion >= 5 +- Stack: ..., A: []byte, B: uint64 → ..., uint64 +- A uint64 formed from a range of big-endian bytes from A starting at B up to but not including B+8. If B+8 is larger than the array length, the program fails +- Availability: v5 ## base64_decode e - Opcode: 0x5c {uint8 encoding index} -- Pops: *... stack*, []byte -- Pushes: []byte -- decode X which was base64-encoded using _encoding_ E. Fail if X is not base64 encoded with encoding E +- Stack: ..., A: []byte → ..., []byte +- decode A which was base64-encoded using _encoding_ E. Fail if A is not base64 encoded with encoding E - **Cost**: 25 -- LogicSigVersion >= 6 +- Availability: v6 -Decodes X using the base64 encoding E. Specify the encoding with an immediate arg either as URL and Filename Safe (`URLEncoding`) or Standard (`StdEncoding`). See <a href="https://rfc-editor.org/rfc/rfc4648.html#section-4">RFC 4648</a> (sections 4 and 5). It is assumed that the encoding ends with the exact number of `=` padding characters as required by the RFC. When padding occurs, any unused pad bits in the encoding must be set to zero or the decoding will fail. The special cases of `\n` and `\r` are allowed but completely ignored. An error will result when attempting to decode a string with a character that is not in the encoding alphabet or not one of `=`, `\r`, or `\n`. +Decodes A using the base64 encoding E. Specify the encoding with an immediate arg either as URL and Filename Safe (`URLEncoding`) or Standard (`StdEncoding`). See <a href="https://rfc-editor.org/rfc/rfc4648.html#section-4">RFC 4648</a> (sections 4 and 5). It is assumed that the encoding ends with the exact number of `=` padding characters as required by the RFC. When padding occurs, any unused pad bits in the encoding must be set to zero or the decoding will fail. The special cases of `\n` and `\r` are allowed but completely ignored. An error will result when attempting to decode a string with a character that is not in the encoding alphabet or not one of `=`, `\r`, or `\n`. ## balance - Opcode: 0x60 -- Pops: *... stack*, any -- Pushes: uint64 +- Stack: ..., A → ..., uint64 - get balance for account A, in microalgos. The balance is observed after the effects of previous transactions in the group, and after the fee for the current transaction is deducted. -- LogicSigVersion >= 2 +- Availability: v2 - Mode: Application -params: Before v4, Txn.Accounts offset. Since v4, Txn.Accounts offset or an account address that appears in Txn.Accounts or is Txn.Sender). Return: value. +params: Txn.Accounts offset (or, since v4, an _available_ account address), _available_ application id (or, since v4, a Txn.ForeignApps offset). Return: value. ## app_opted_in - Opcode: 0x61 -- Pops: *... stack*, {any A}, {uint64 B} -- Pushes: uint64 -- check if account A opted in for the application B => {0 or 1} -- LogicSigVersion >= 2 +- Stack: ..., A, B: uint64 → ..., uint64 +- 1 if account A is opted in to application B, else 0 +- Availability: v2 - Mode: Application -params: Txn.Accounts offset (or, since v4, an account address that appears in Txn.Accounts or is Txn.Sender), application id (or, since v4, a Txn.ForeignApps offset). Return: 1 if opted in and 0 otherwise. +params: Txn.Accounts offset (or, since v4, an _available_ account address), _available_ application id (or, since v4, a Txn.ForeignApps offset). Return: 1 if opted in and 0 otherwise. ## app_local_get - Opcode: 0x62 -- Pops: *... stack*, {any A}, {[]byte B} -- Pushes: any -- read from account A from local state of the current application key B => value -- LogicSigVersion >= 2 +- Stack: ..., A, B: []byte → ..., any +- local state of the key B in the current application in account A +- Availability: v2 - Mode: Application -params: Txn.Accounts offset (or, since v4, an account address that appears in Txn.Accounts or is Txn.Sender), state key. Return: value. The value is zero (of type uint64) if the key does not exist. +params: Txn.Accounts offset (or, since v4, an _available_ account address), state key. Return: value. The value is zero (of type uint64) if the key does not exist. ## app_local_get_ex - Opcode: 0x63 -- Pops: *... stack*, {any A}, {uint64 B}, {[]byte C} -- Pushes: *... stack*, any, uint64 -- read from account A from local state of the application B key C => [*... stack*, value, 0 or 1] -- LogicSigVersion >= 2 +- Stack: ..., A, B: uint64, C: []byte → ..., X: any, Y: uint64 +- X is the local state of application B, key C in account A. Y is 1 if key existed, else 0 +- Availability: v2 - Mode: Application -params: Txn.Accounts offset (or, since v4, an account address that appears in Txn.Accounts or is Txn.Sender), application id (or, since v4, a Txn.ForeignApps offset), state key. Return: did_exist flag (top of the stack, 1 if the application and key existed and 0 otherwise), value. The value is zero (of type uint64) if the key does not exist. +params: Txn.Accounts offset (or, since v4, an _available_ account address), _available_ application id (or, since v4, a Txn.ForeignApps offset), state key. Return: did_exist flag (top of the stack, 1 if the application and key existed and 0 otherwise), value. The value is zero (of type uint64) if the key does not exist. ## app_global_get - Opcode: 0x64 -- Pops: *... stack*, []byte -- Pushes: any -- read key A from global state of a current application => value -- LogicSigVersion >= 2 +- Stack: ..., A: []byte → ..., any +- global state of the key A in the current application +- Availability: v2 - Mode: Application params: state key. Return: value. The value is zero (of type uint64) if the key does not exist. @@ -923,121 +833,113 @@ params: state key. Return: value. The value is zero (of type uint64) if the key ## app_global_get_ex - Opcode: 0x65 -- Pops: *... stack*, {uint64 A}, {[]byte B} -- Pushes: *... stack*, any, uint64 -- read from application A global state key B => [*... stack*, value, 0 or 1] -- LogicSigVersion >= 2 +- Stack: ..., A: uint64, B: []byte → ..., X: any, Y: uint64 +- X is the global state of application A, key B. Y is 1 if key existed, else 0 +- Availability: v2 - Mode: Application -params: Txn.ForeignApps offset (or, since v4, an application id that appears in Txn.ForeignApps or is the CurrentApplicationID), state key. Return: did_exist flag (top of the stack, 1 if the application and key existed and 0 otherwise), value. The value is zero (of type uint64) if the key does not exist. +params: Txn.ForeignApps offset (or, since v4, an _available_ application id), state key. Return: did_exist flag (top of the stack, 1 if the application and key existed and 0 otherwise), value. The value is zero (of type uint64) if the key does not exist. ## app_local_put - Opcode: 0x66 -- Pops: *... stack*, {any A}, {[]byte B}, {any C} -- Pushes: _None_ -- write to account specified by A to local state of a current application key B with value C -- LogicSigVersion >= 2 +- Stack: ..., A, B: []byte, C → ... +- write C to key B in account A's local state of the current application +- Availability: v2 - Mode: Application -params: Txn.Accounts offset (or, since v4, an account address that appears in Txn.Accounts or is Txn.Sender), state key, value. +params: Txn.Accounts offset (or, since v4, an _available_ account address), state key, value. ## app_global_put - Opcode: 0x67 -- Pops: *... stack*, {[]byte A}, {any B} -- Pushes: _None_ -- write key A and value B to global state of the current application -- LogicSigVersion >= 2 +- Stack: ..., A: []byte, B → ... +- write B to key A in the global state of the current application +- Availability: v2 - Mode: Application ## app_local_del - Opcode: 0x68 -- Pops: *... stack*, {any A}, {[]byte B} -- Pushes: _None_ -- delete from account A local state key B of the current application -- LogicSigVersion >= 2 +- Stack: ..., A, B: []byte → ... +- delete key B from account A's local state of the current application +- Availability: v2 - Mode: Application -params: Txn.Accounts offset (or, since v4, an account address that appears in Txn.Accounts or is Txn.Sender), state key. +params: Txn.Accounts offset (or, since v4, an _available_ account address), state key. Deleting a key which is already absent has no effect on the application local state. (In particular, it does _not_ cause the program to fail.) ## app_global_del - Opcode: 0x69 -- Pops: *... stack*, []byte -- Pushes: _None_ -- delete key A from a global state of the current application -- LogicSigVersion >= 2 +- Stack: ..., A: []byte → ... +- delete key A from the global state of the current application +- Availability: v2 - Mode: Application params: state key. Deleting a key which is already absent has no effect on the application global state. (In particular, it does _not_ cause the program to fail.) -## asset_holding_get i +## asset_holding_get f - Opcode: 0x70 {uint8 asset holding field index} -- Pops: *... stack*, {any A}, {uint64 B} -- Pushes: *... stack*, any, uint64 -- read from account A and asset B holding field X (imm arg) => {0 or 1 (top), value} -- LogicSigVersion >= 2 +- Stack: ..., A, B: uint64 → ..., X: any, Y: uint64 +- X is field F from account A's holding of asset B. Y is 1 if A is opted into B, else 0 +- Availability: v2 - Mode: Application `asset_holding_get` Fields: | Index | Name | Type | Notes | -| --- | --- | --- | --- | +| - | ------ | -- | --------- | | 0 | AssetBalance | uint64 | Amount of the asset unit held by this account | | 1 | AssetFrozen | uint64 | Is the asset frozen or not | -params: Txn.Accounts offset (or, since v4, an account address that appears in Txn.Accounts or is Txn.Sender), asset id (or, since v4, a Txn.ForeignAssets offset). Return: did_exist flag (1 if the asset existed and 0 otherwise), value. +params: Txn.Accounts offset (or, since v4, an _available_ address), asset id (or, since v4, a Txn.ForeignAssets offset). Return: did_exist flag (1 if the asset existed and 0 otherwise), value. -## asset_params_get i +## asset_params_get f - Opcode: 0x71 {uint8 asset params field index} -- Pops: *... stack*, uint64 -- Pushes: *... stack*, any, uint64 -- read from asset A params field X (imm arg) => {0 or 1 (top), value} -- LogicSigVersion >= 2 +- Stack: ..., A: uint64 → ..., X: any, Y: uint64 +- X is field F from asset A. Y is 1 if A exists, else 0 +- Availability: v2 - Mode: Application `asset_params_get` Fields: -| Index | Name | Type | Notes | -| --- | --- | --- | --- | -| 0 | AssetTotal | uint64 | Total number of units of this asset | -| 1 | AssetDecimals | uint64 | See AssetParams.Decimals | -| 2 | AssetDefaultFrozen | uint64 | Frozen by default or not | -| 3 | AssetUnitName | []byte | Asset unit name | -| 4 | AssetName | []byte | Asset name | -| 5 | AssetURL | []byte | URL with additional info about the asset | -| 6 | AssetMetadataHash | []byte | Arbitrary commitment | -| 7 | AssetManager | []byte | Manager commitment | -| 8 | AssetReserve | []byte | Reserve address | -| 9 | AssetFreeze | []byte | Freeze address | -| 10 | AssetClawback | []byte | Clawback address | -| 11 | AssetCreator | []byte | Creator address. LogicSigVersion >= 5. | +| Index | Name | Type | In | Notes | +| - | ------ | -- | - | --------- | +| 0 | AssetTotal | uint64 | | Total number of units of this asset | +| 1 | AssetDecimals | uint64 | | See AssetParams.Decimals | +| 2 | AssetDefaultFrozen | uint64 | | Frozen by default or not | +| 3 | AssetUnitName | []byte | | Asset unit name | +| 4 | AssetName | []byte | | Asset name | +| 5 | AssetURL | []byte | | URL with additional info about the asset | +| 6 | AssetMetadataHash | []byte | | Arbitrary commitment | +| 7 | AssetManager | []byte | | Manager commitment | +| 8 | AssetReserve | []byte | | Reserve address | +| 9 | AssetFreeze | []byte | | Freeze address | +| 10 | AssetClawback | []byte | | Clawback address | +| 11 | AssetCreator | []byte | v5 | Creator address | -params: Before v4, Txn.ForeignAssets offset. Since v4, Txn.ForeignAssets offset or an asset id that appears in Txn.ForeignAssets. Return: did_exist flag (1 if the asset existed and 0 otherwise), value. +params: Txn.ForeignAssets offset (or, since v4, an _available_ asset id. Return: did_exist flag (1 if the asset existed and 0 otherwise), value. -## app_params_get i +## app_params_get f - Opcode: 0x72 {uint8 app params field index} -- Pops: *... stack*, uint64 -- Pushes: *... stack*, any, uint64 -- read from app A params field X (imm arg) => {0 or 1 (top), value} -- LogicSigVersion >= 5 +- Stack: ..., A: uint64 → ..., X: any, Y: uint64 +- X is field F from app A. Y is 1 if A exists, else 0 +- Availability: v5 - Mode: Application `app_params_get` Fields: | Index | Name | Type | Notes | -| --- | --- | --- | --- | +| - | ------ | -- | --------- | | 0 | AppApprovalProgram | []byte | Bytecode of Approval Program | | 1 | AppClearStateProgram | []byte | Bytecode of Clear State Program | | 2 | AppGlobalNumUint | uint64 | Number of uint64 values allowed in Global State | @@ -1049,255 +951,243 @@ params: Before v4, Txn.ForeignAssets offset. Since v4, Txn.ForeignAssets offset | 8 | AppAddress | []byte | Address for which this application has authority | -params: Txn.ForeignApps offset or an app id that appears in Txn.ForeignApps. Return: did_exist flag (1 if the application existed and 0 otherwise), value. +params: Txn.ForeignApps offset or an _available_ app id. Return: did_exist flag (1 if the application existed and 0 otherwise), value. + +## acct_params_get f + +- Opcode: 0x73 {uint8 account params field index} +- Stack: ..., A: uint64 → ..., X: any, Y: uint64 +- X is field F from account A. Y is 1 if A owns positive algos, else 0 +- Availability: v6 +- Mode: Application ## min_balance - Opcode: 0x78 -- Pops: *... stack*, any -- Pushes: uint64 +- Stack: ..., A → ..., uint64 - get minimum required balance for account A, in microalgos. Required balance is affected by [ASA](https://developer.algorand.org/docs/features/asa/#assets-overview) and [App](https://developer.algorand.org/docs/features/asc1/stateful/#minimum-balance-requirement-for-a-smart-contract) usage. When creating or opting into an app, the minimum balance grows before the app code runs, therefore the increase is visible there. When deleting or closing out, the minimum balance decreases after the app executes. -- LogicSigVersion >= 3 +- Availability: v3 - Mode: Application -params: Before v4, Txn.Accounts offset. Since v4, Txn.Accounts offset or an account address that appears in Txn.Accounts or is Txn.Sender). Return: value. +params: Txn.Accounts offset (or, since v4, an _available_ account address), _available_ application id (or, since v4, a Txn.ForeignApps offset). Return: value. ## pushbytes bytes - Opcode: 0x80 {varuint length} {bytes} -- Pops: _None_ -- Pushes: []byte -- push the following program bytes to the stack -- LogicSigVersion >= 3 +- Stack: ... → ..., []byte +- immediate BYTES +- Availability: v3 pushbytes args are not added to the bytecblock during assembly processes ## pushint uint - Opcode: 0x81 {varuint int} -- Pops: _None_ -- Pushes: uint64 -- push immediate UINT to the stack as an integer -- LogicSigVersion >= 3 +- Stack: ... → ..., uint64 +- immediate UINT +- Availability: v3 pushint args are not added to the intcblock during assembly processes ## callsub target - Opcode: 0x88 {int16 branch offset, big endian} -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - branch unconditionally to TARGET, saving the next instruction on the call stack -- LogicSigVersion >= 4 +- Availability: v4 The call stack is separate from the data stack. Only `callsub` and `retsub` manipulate it. ## retsub - Opcode: 0x89 -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - pop the top instruction from the call stack and branch to it -- LogicSigVersion >= 4 +- Availability: v4 The call stack is separate from the data stack. Only `callsub` and `retsub` manipulate it. ## shl - Opcode: 0x90 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A times 2^B, modulo 2^64 -- LogicSigVersion >= 4 +- Availability: v4 ## shr - Opcode: 0x91 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A divided by 2^B -- LogicSigVersion >= 4 +- Availability: v4 ## sqrt - Opcode: 0x92 -- Pops: *... stack*, uint64 -- Pushes: uint64 -- The largest integer B such that B^2 <= X +- Stack: ..., A: uint64 → ..., uint64 +- The largest integer I such that I^2 <= A - **Cost**: 4 -- LogicSigVersion >= 4 +- Availability: v4 ## bitlen - Opcode: 0x93 -- Pops: *... stack*, any -- Pushes: uint64 -- The highest set bit in X. If X is a byte-array, it is interpreted as a big-endian unsigned integer. bitlen of 0 is 0, bitlen of 8 is 4 -- LogicSigVersion >= 4 +- Stack: ..., A → ..., uint64 +- The highest set bit in A. If A is a byte-array, it is interpreted as a big-endian unsigned integer. bitlen of 0 is 0, bitlen of 8 is 4 +- Availability: v4 bitlen interprets arrays as big-endian integers, unlike setbit/getbit ## exp - Opcode: 0x94 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: uint64 +- Stack: ..., A: uint64, B: uint64 → ..., uint64 - A raised to the Bth power. Fail if A == B == 0 and on overflow -- LogicSigVersion >= 4 +- Availability: v4 ## expw - Opcode: 0x95 -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: *... stack*, uint64, uint64 -- A raised to the Bth power as a 128-bit long result as low (top) and high uint64 values on the stack. Fail if A == B == 0 or if the results exceeds 2^128-1 +- Stack: ..., A: uint64, B: uint64 → ..., X: uint64, Y: uint64 +- A raised to the Bth power as a 128-bit result in two uint64s. X is the high 64 bits, Y is the low. Fail if A == B == 0 or if the results exceeds 2^128-1 - **Cost**: 10 -- LogicSigVersion >= 4 +- Availability: v4 + +## bsqrt + +- Opcode: 0x96 +- Stack: ..., A: []byte → ..., []byte +- The largest integer I such that I^2 <= A. A and I are interpreted as big-endian unsigned integers +- **Cost**: 40 +- Availability: v6 ## b+ - Opcode: 0xa0 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A plus B, where A and B are byte-arrays interpreted as big-endian unsigned integers +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A plus B. A and B are interpreted as big-endian unsigned integers - **Cost**: 10 -- LogicSigVersion >= 4 +- Availability: v4 ## b- - Opcode: 0xa1 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A minus B, where A and B are byte-arrays interpreted as big-endian unsigned integers. Fail on underflow. +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A minus B. A and B are interpreted as big-endian unsigned integers. Fail on underflow. - **Cost**: 10 -- LogicSigVersion >= 4 +- Availability: v4 ## b/ - Opcode: 0xa2 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A divided by B (truncated division), where A and B are byte-arrays interpreted as big-endian unsigned integers. Fail if B is zero. +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A divided by B (truncated division). A and B are interpreted as big-endian unsigned integers. Fail if B is zero. - **Cost**: 20 -- LogicSigVersion >= 4 +- Availability: v4 ## b* - Opcode: 0xa3 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A times B, where A and B are byte-arrays interpreted as big-endian unsigned integers. +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A times B. A and B are interpreted as big-endian unsigned integers. - **Cost**: 20 -- LogicSigVersion >= 4 +- Availability: v4 ## b< - Opcode: 0xa4 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: uint64 -- A is less than B, where A and B are byte-arrays interpreted as big-endian unsigned integers => { 0 or 1} -- LogicSigVersion >= 4 +- Stack: ..., A: []byte, B: []byte → ..., uint64 +- 1 if A is less than B, else 0. A and B are interpreted as big-endian unsigned integers +- Availability: v4 ## b> - Opcode: 0xa5 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: uint64 -- A is greater than B, where A and B are byte-arrays interpreted as big-endian unsigned integers => { 0 or 1} -- LogicSigVersion >= 4 +- Stack: ..., A: []byte, B: []byte → ..., uint64 +- 1 if A is greater than B, else 0. A and B are interpreted as big-endian unsigned integers +- Availability: v4 ## b<= - Opcode: 0xa6 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: uint64 -- A is less than or equal to B, where A and B are byte-arrays interpreted as big-endian unsigned integers => { 0 or 1} -- LogicSigVersion >= 4 +- Stack: ..., A: []byte, B: []byte → ..., uint64 +- 1 if A is less than or equal to B, else 0. A and B are interpreted as big-endian unsigned integers +- Availability: v4 ## b>= - Opcode: 0xa7 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: uint64 -- A is greater than or equal to B, where A and B are byte-arrays interpreted as big-endian unsigned integers => { 0 or 1} -- LogicSigVersion >= 4 +- Stack: ..., A: []byte, B: []byte → ..., uint64 +- 1 if A is greater than or equal to B, else 0. A and B are interpreted as big-endian unsigned integers +- Availability: v4 ## b== - Opcode: 0xa8 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: uint64 -- A is equals to B, where A and B are byte-arrays interpreted as big-endian unsigned integers => { 0 or 1} -- LogicSigVersion >= 4 +- Stack: ..., A: []byte, B: []byte → ..., uint64 +- 1 if A is equal to B, else 0. A and B are interpreted as big-endian unsigned integers +- Availability: v4 ## b!= - Opcode: 0xa9 -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: uint64 -- A is not equal to B, where A and B are byte-arrays interpreted as big-endian unsigned integers => { 0 or 1} -- LogicSigVersion >= 4 +- Stack: ..., A: []byte, B: []byte → ..., uint64 +- 0 if A is equal to B, else 1. A and B are interpreted as big-endian unsigned integers +- Availability: v4 ## b% - Opcode: 0xaa -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A modulo B, where A and B are byte-arrays interpreted as big-endian unsigned integers. Fail if B is zero. +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A modulo B. A and B are interpreted as big-endian unsigned integers. Fail if B is zero. - **Cost**: 20 -- LogicSigVersion >= 4 +- Availability: v4 ## b| - Opcode: 0xab -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A bitwise-or B, where A and B are byte-arrays, zero-left extended to the greater of their lengths +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A bitwise-or B. A and B are zero-left extended to the greater of their lengths - **Cost**: 6 -- LogicSigVersion >= 4 +- Availability: v4 ## b& - Opcode: 0xac -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A bitwise-and B, where A and B are byte-arrays, zero-left extended to the greater of their lengths +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A bitwise-and B. A and B are zero-left extended to the greater of their lengths - **Cost**: 6 -- LogicSigVersion >= 4 +- Availability: v4 ## b^ - Opcode: 0xad -- Pops: *... stack*, {[]byte A}, {[]byte B} -- Pushes: []byte -- A bitwise-xor B, where A and B are byte-arrays, zero-left extended to the greater of their lengths +- Stack: ..., A: []byte, B: []byte → ..., []byte +- A bitwise-xor B. A and B are zero-left extended to the greater of their lengths - **Cost**: 6 -- LogicSigVersion >= 4 +- Availability: v4 ## b~ - Opcode: 0xae -- Pops: *... stack*, []byte -- Pushes: []byte -- X with all bits inverted +- Stack: ..., A: []byte → ..., []byte +- A with all bits inverted - **Cost**: 4 -- LogicSigVersion >= 4 +- Availability: v4 ## bzero - Opcode: 0xaf -- Pops: *... stack*, uint64 -- Pushes: []byte -- push a byte-array of length X, containing all zero bytes -- LogicSigVersion >= 4 +- Stack: ..., A: uint64 → ..., []byte +- zero filled byte-array of length A +- Availability: v4 ## log - Opcode: 0xb0 -- Pops: *... stack*, []byte -- Pushes: _None_ -- write bytes to log state of the current application -- LogicSigVersion >= 5 +- Stack: ..., A: []byte → ... +- write A to log state of the current application +- Availability: v5 - Mode: Application `log` fails if called more than MaxLogCalls times in a program, or if the sum of logged bytes exceeds 1024 bytes. @@ -1305,32 +1195,29 @@ bitlen interprets arrays as big-endian integers, unlike setbit/getbit ## itxn_begin - Opcode: 0xb1 -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - begin preparation of a new inner transaction in a new transaction group -- LogicSigVersion >= 5 +- Availability: v5 - Mode: Application -`itxn_begin` initializes Sender to the application address; Fee to the minimum allowable, taking into account MinTxnFee and credit from overpaying in earlier transactions; FirstValid/LastValid to the values in the top-level transaction, and all other fields to zero values. +`itxn_begin` initializes Sender to the application address; Fee to the minimum allowable, taking into account MinTxnFee and credit from overpaying in earlier transactions; FirstValid/LastValid to the values in the invoking transaction, and all other fields to zero or empty values. ## itxn_field f - Opcode: 0xb2 {uint8 transaction field index} -- Pops: *... stack*, any -- Pushes: _None_ -- set field F of the current inner transaction to X -- LogicSigVersion >= 5 +- Stack: ..., A → ... +- set field F of the current inner transaction to A +- Availability: v5 - Mode: Application -`itxn_field` fails if X is of the wrong type for F, including a byte array of the wrong size for use as an address when F is an address field. `itxn_field` also fails if X is an account or asset that does not appear in `txn.Accounts` or `txn.ForeignAssets` of the top-level transaction. (Setting addresses in asset creation are exempted from this requirement.) +`itxn_field` fails if A is of the wrong type for F, including a byte array of the wrong size for use as an address when F is an address field. `itxn_field` also fails if A is an account, asset, or app that is not _available_. (Addresses set into asset params of acfg transactions need not be _available_.) ## itxn_submit - Opcode: 0xb3 -- Pops: _None_ -- Pushes: _None_ -- execute the current inner transaction group. Fail if executing this group would exceed 16 total inner transactions, or if any transaction in the group fails. -- LogicSigVersion >= 5 +- Stack: ... → ... +- execute the current inner transaction group. Fail if executing this group would exceed the inner transaction limit, or if any transaction in the group fails. +- Availability: v5 - Mode: Application `itxn_submit` resets the current transaction so that it can not be resubmitted. A new `itxn_begin` is required to prepare another inner transaction. @@ -1338,59 +1225,78 @@ bitlen interprets arrays as big-endian integers, unlike setbit/getbit ## itxn f - Opcode: 0xb4 {uint8 transaction field index} -- Pops: _None_ -- Pushes: any -- push field F of the last inner transaction to stack -- LogicSigVersion >= 5 +- Stack: ... → ..., any +- field F of the last inner transaction +- Availability: v5 - Mode: Application ## itxna f i - Opcode: 0xb5 {uint8 transaction field index} {uint8 transaction field array index} -- Pops: _None_ -- Pushes: any -- push Ith value of the array field F of the last inner transaction to stack -- LogicSigVersion >= 5 +- Stack: ... → ..., any +- Ith value of the array field F of the last inner transaction +- Availability: v5 - Mode: Application ## itxn_next - Opcode: 0xb6 -- Pops: _None_ -- Pushes: _None_ +- Stack: ... → ... - begin preparation of a new inner transaction in the same transaction group -- LogicSigVersion >= 6 +- Availability: v6 +- Mode: Application + +`itxn_next` initializes the transaction exactly as `itxn_begin` does + +## gitxn t f + +- Opcode: 0xb7 {uint8 transaction group index} {uint8 transaction field index} +- Stack: ... → ..., any +- field F of the Tth transaction in the last inner group submitted +- Availability: v6 +- Mode: Application + +## gitxna t f i + +- Opcode: 0xb8 {uint8 transaction group index} {uint8 transaction field index} {uint8 transaction field array index} +- Stack: ... → ..., any +- Ith value of the array field F from the Tth transaction in the last inner group submitted +- Availability: v6 - Mode: Application ## txnas f - Opcode: 0xc0 {uint8 transaction field index} -- Pops: *... stack*, uint64 -- Pushes: any -- push Xth value of the array field F of the current transaction -- LogicSigVersion >= 5 +- Stack: ..., A: uint64 → ..., any +- Ath value of the array field F of the current transaction +- Availability: v5 ## gtxnas t f - Opcode: 0xc1 {uint8 transaction group index} {uint8 transaction field index} -- Pops: *... stack*, uint64 -- Pushes: any -- push Xth value of the array field F from the Tth transaction in the current group -- LogicSigVersion >= 5 +- Stack: ..., A: uint64 → ..., any +- Ath value of the array field F from the Tth transaction in the current group +- Availability: v5 ## gtxnsas f - Opcode: 0xc2 {uint8 transaction field index} -- Pops: *... stack*, {uint64 A}, {uint64 B} -- Pushes: any -- pop an index A and an index B. push Bth value of the array field F from the Ath transaction in the current group -- LogicSigVersion >= 5 +- Stack: ..., A: uint64, B: uint64 → ..., any +- Bth value of the array field F from the Ath transaction in the current group +- Availability: v5 ## args - Opcode: 0xc3 -- Pops: *... stack*, uint64 -- Pushes: []byte -- push Xth LogicSig argument to stack -- LogicSigVersion >= 5 +- Stack: ..., A: uint64 → ..., []byte +- Ath LogicSig argument +- Availability: v5 - Mode: Signature + +## gloadss + +- Opcode: 0xc4 +- Stack: ..., A: uint64, B: uint64 → ..., any +- Bth scratch space value of the Ath transaction in the current group +- Availability: v6 +- Mode: Application |