Fields

Transaction Fields

For further details on transaction fields, refer to the txn opcode specification.

Scalar Fields

INDEX	NAME	TYPE	IN	DESCRIPTION
0	Sender	address		32 byte address
1	Fee	uint64		microalgos
2	FirstValid	uint64		round number
3	FirstValidTime	uint64	v7	UNIX timestamp of block before txn.FirstValid. Fails if negative
4	LastValid	uint64		round number
5	Note	[]byte		Any data up to 1024 bytes
6	Lease	[32]byte		32 byte lease value
7	Receiver	address		32 byte address
8	Amount	uint64		microalgos
9	CloseRemainderTo	address		32 byte address
10	VotePK	[32]byte		32 byte address
11	SelectionPK	[32]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		Transaction type as integer
17	XferAsset	uint64		Asset ID
18	AssetAmount	uint64		value in Asset’s units
19	AssetSender	address		32 byte address. Source of assets if Sender is the Asset’s Clawback address.
20	AssetReceiver	address		32 byte address
21	AssetCloseTo	address		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	[32]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
27	NumAppArgs	uint64	v2	Number of ApplicationArgs
29	NumAccounts	uint64	v2	Number of Accounts
30	ApprovalProgram	[]byte	v2	Approval program
31	ClearStateProgram	[]byte	v2	Clear state program
32	RekeyTo	address	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	bool	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	[32]byte	v2	32 byte commitment to unspecified asset metadata
41	ConfigAssetManager	address	v2	32 byte address
42	ConfigAssetReserve	address	v2	32 byte address
43	ConfigAssetFreeze	address	v2	32 byte address
44	ConfigAssetClawback	address	v2	32 byte address
45	FreezeAsset	uint64	v2	Asset ID being frozen or un-frozen
46	FreezeAssetAccount	address	v2	32 byte address of the account whose asset slot is being frozen or un-frozen
47	FreezeAssetFrozen	bool	v2	The new frozen value, 0 or 1
49	NumAssets	uint64	v3	Number of Assets
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	bool	v5	Marks an account nonparticipating for rewards
59	NumLogs	uint64	v5	Number of Logs (only with `itxn` in v5). Application mode only
60	CreatedAssetID	uint64	v5	Asset ID allocated by the creation of an ASA (only with `itxn` in v5). Application mode only
61	CreatedApplicationID	uint64	v5	ApplicationID allocated by the creation of an application (only with `itxn` in v5). Application mode only
62	LastLog	[]byte	v6	The last message emitted. Empty bytes if none were emitted. Application mode only
63	StateProofPK	[]byte	v6	64 byte state proof public key
65	NumApprovalProgramPages	uint64	v7	Number of Approval Program pages
67	NumClearStateProgramPages	uint64	v7	Number of ClearState Program pages
68	RejectVersion	uint64	v12	Application version for which the txn must reject

Array Fields

INDEX	NAME	TYPE	IN	DESCRIPTION
26	ApplicationArgs	[]byte	v2	Arguments passed to the application in the ApplicationCall transaction
28	Accounts	address	v2	Accounts listed in the ApplicationCall transaction
48	Assets	uint64	v3	Foreign Assets listed in the ApplicationCall transaction
50	Applications	uint64	v3	Foreign Apps listed in the ApplicationCall transaction
58	Logs	[]byte	v5	Log messages emitted by an application call (only with `itxn` in v5). Application mode only
64	ApprovalProgramPages	[]byte	v7	Approval Program as an array of pages
66	ClearStateProgramPages	[]byte	v7	ClearState Program as an array of pages

Global Fields

Global fields are fields that are common to all the transactions in the group. In particular, it includes consensus parameters.

INDEX	NAME	TYPE	IN	DESCRIPTION
0	MinTxnFee	uint64		microalgos
1	MinBalance	uint64		microalgos
2	MaxTxnLife	uint64		rounds
3	ZeroAddress	address		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	address	v3	Address of the creator of the current application. Application mode only.
10	CurrentApplicationAddress	address	v5	Address that the current application controls. Application mode only.
11	GroupID	[32]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	address	v6	The application address of the application that called this application. ZeroAddress if this application is at the top-level. Application mode only.
15	AssetCreateMinBalance	uint64	v10	The additional minimum balance required to create (and opt-in to) an asset.
16	AssetOptInMinBalance	uint64	v10	The additional minimum balance required to opt-in to an asset.
17	GenesisHash	[32]byte	v10	The Genesis Hash for the network.
18	PayoutsEnabled	bool	v11	Whether block proposal payouts are enabled.
19	PayoutsGoOnlineFee	uint64	v11	The fee required in a keyreg transaction to make an account incentive eligible.
20	PayoutsPercent	uint64	v11	The percentage of transaction fees in a block that can be paid to the block proposer.
21	PayoutsMinBalance	uint64	v11	The minimum balance an account must have in the agreement round to receive block payouts in the proposal round.
22	PayoutsMaxBalance	uint64	v11	The maximum balance an account can have in the agreement round to receive block payouts in the proposal round.

Asset Fields

Asset fields include AssetHolding and AssetParam fields that are used in the asset_holding_get and asset_params_get opcodes.

Asset Holding

INDEX	NAME	TYPE	DESCRIPTION
0	AssetBalance	uint64	Amount of the asset unit held by this account
1	AssetFrozen	bool	Is the asset frozen or not

Asset Parameters

INDEX	NAME	TYPE	IN	DESCRIPTION
0	AssetTotal	uint64		Total number of units of this asset
1	AssetDecimals	uint64		See AssetParams.Decimals
2	AssetDefaultFrozen	bool		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	[32]byte		Arbitrary commitment
7	AssetManager	address		Manager address
8	AssetReserve	address		Reserve address
9	AssetFreeze	address		Freeze address
10	AssetClawback	address		Clawback address
11	AssetCreator	address	v5	Creator address

Application Fields

Application fields used in the app_params_get opcode.

INDEX	NAME	TYPE	IN	DESCRIPTION
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
3	AppGlobalNumByteSlice	uint64		Number of byte array values allowed in Global State
4	AppLocalNumUint	uint64		Number of uint64 values allowed in Local State
5	AppLocalNumByteSlice	uint64		Number of byte array values allowed in Local State
6	AppExtraProgramPages	uint64		Number of Extra Program Pages of code space
7	AppCreator	address		Creator address
8	AppAddress	address		Address for which this application has authority
9	AppVersion	uint64	v12	Version of the app, incremented each time the approval or clear program changes

Account Fields

Account fields used in the acct_params_get opcode.

INDEX	NAME	TYPE	IN	DESCRIPTION
0	AcctBalance	uint64		Account balance in microalgos
1	AcctMinBalance	uint64		Minimum required balance for account, in microalgos
2	AcctAuthAddr	address		Address the account is rekeyed to.
3	AcctTotalNumUint	uint64	v8	The total number of uint64 values allocated by this account in Global and Local States.
4	AcctTotalNumByteSlice	uint64	v8	The total number of byte array values allocated by this account in Global and Local States.
5	AcctTotalExtraAppPages	uint64	v8	The number of extra app code pages used by this account.
6	AcctTotalAppsCreated	uint64	v8	The number of existing apps created by this account.
7	AcctTotalAppsOptedIn	uint64	v8	The number of apps this account is opted into.
8	AcctTotalAssetsCreated	uint64	v8	The number of existing ASAs created by this account.
9	AcctTotalAssets	uint64	v8	The numbers of ASAs held by this account (including ASAs this account created).
10	AcctTotalBoxes	uint64	v8	The number of existing boxes created by this account’s app.
11	AcctTotalBoxBytes	uint64	v8	The total number of bytes used by this account’s app’s box keys and values.
12	AcctIncentiveEligible	bool	v11	Has this account opted into block payouts
13	AcctLastProposed	uint64	v11	The round number of the last block this account proposed.
14	AcctLastHeartbeat	uint64	v11	The round number of the last block this account sent a heartbeat.

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