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StateUtils

@opcat-labs/scrypt-ts-opcat v1.0.4

@opcat-labs/scrypt-ts-opcat / StateUtils

Class: StateUtils

Defined in: packages/scrypt-ts-opcat/src/smart-contract/builtin-libs/stateUtils.ts:18

Verifies that the hash of a raw state matches the corresponding spent data hash in the transaction.

Param​

The index of the input being verified

Param​

The hash of the serialized raw state to check

Param​

Trustable spent data hashes from the transaction

Throws​

Throws an assertion error if the state hash doesn't match the spent data hash

Onchain​

Extends​

Constructors​

new StateUtils()​

new StateUtils(...args): StateUtils

Defined in: packages/scrypt-ts-opcat/src/smart-contract/smartContractLib.ts:32

Parameters​

args​

...SupportedParamType[]

Returns​

StateUtils

Inherited from​

SmartContractLib.constructor

Properties​

args​

args: any[] = []

Defined in: packages/scrypt-ts-opcat/src/smart-contract/smartContractLib.ts:31

Inherited from​

SmartContractLib.args

artifact​

static artifact: Artifact

Defined in: packages/scrypt-ts-opcat/src/smart-contract/smartContractLib.ts:16

Inherited from​

SmartContractLib.artifact

stateType?​

static optional stateType: string

Defined in: packages/scrypt-ts-opcat/src/smart-contract/smartContractLib.ts:17

Inherited from​

SmartContractLib.stateType

Methods​

checkInputState()​

static checkInputState(t_inputIndex, stateHash, t_spentDataHashes): void

Defined in: packages/scrypt-ts-opcat/src/smart-contract/builtin-libs/stateUtils.ts:26

Check if the dataHash of the passed-in raw state matches the spent data hash

Parameters​

t_inputIndex​

UInt32

trustable input index

stateHash​

ByteString

t_spentDataHashes​

ByteString

trustable spent data hashes

Returns​

void

loadArtifact()​

static loadArtifact(artifact): typeof SmartContractLib

Defined in: packages/scrypt-ts-opcat/src/smart-contract/smartContractLib.ts:19

Parameters​

artifact​

Artifact

Returns​

typeof SmartContractLib

Inherited from​

SmartContractLib.loadArtifact