ExtPsbt

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

---

@opcat-labs/scrypt-ts-opcat / ExtPsbt

Class: ExtPsbt

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:99

Extends the standard Psbt class with additional functionality for OP_CAT transactions. Provides methods for:

• Managing contract inputs/outputs
• Handling UTXO spending
• Calculating transaction fees and sizes
• Finalizing and sealing transactions
• Backtrace information for contract inputs
• Change output management

Supports serialization to/from hex, base64 and buffer formats. Includes network-aware operations and signature handling.

Extends

• Psbt

Implements

• IExtPsbt

Constructors

new ExtPsbt()

new ExtPsbt(opts, data?): ExtPsbt

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:100

Parameters

opts

ExtPsbtOpts = {}

data?

Psbt

Returns

ExtPsbt

Overrides

Psbt.constructor

Properties

data

readonly data: Psbt

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:134

Implementation of

IExtPsbt.data

Inherited from

Psbt.data

Accessors

hashSpentDatas

Get Signature

get hashSpentDatas(): ByteString

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:235

Computes the hash of all spent data hashes in the PSBT. Concatenates all non-empty spent data hashes and returns their double SHA-256 hash.

Returns

ByteString

The hash256 of all spent data hashes concatenated together.

---

inputAmount

Get Signature

get inputAmount(): bigint

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:524

Gets the total input amount in satoshis as a bigint.

Returns

bigint

The sum of all input values in the PSBT.

---

inputCount

Get Signature

get inputCount(): number

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:180

Returns

number

Implementation of

IExtPsbt.inputCount

Inherited from

Psbt.inputCount

---

isFinalized

Get Signature

get isFinalized(): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:739

Checks if all inputs in the PSBT are finalized.

Returns

boolean

True if all inputs are finalized, false otherwise.

Whether the PSBT is finalized.

Implementation of

IExtPsbt.isFinalized

---

isFinalizing

Get Signature

get isFinalizing(): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:672

Indicates whether the PSBT is currently in the process of being finalized.

Returns

boolean

True if the PSBT is being finalized, false otherwise.

Whether the PSBT starts finalizing.

Implementation of

IExtPsbt.isFinalizing

---

isSealed

Get Signature

get isSealed(): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:680

Indicates whether the PSBT (Partially Signed Bitcoin Transaction) is sealed. A sealed PSBT cannot be modified further.

Returns

boolean

Whether the PSBT is sealed.

Implementation of

IExtPsbt.isSealed

---

locktime

Get Signature

get locktime(): number

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:192

Returns

number

Set Signature

set locktime(locktime): void

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:196

Parameters

locktime

number

Returns

void

Implementation of

IExtPsbt.locktime

Inherited from

Psbt.locktime

---

outputAmount

Get Signature

get outputAmount(): bigint

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:535

Gets the total output amount of the PSBT transaction by summing up all output values.

Returns

bigint

The sum of all output values as a bigint.

---

txInputs

Get Signature

get txInputs(): PsbtTxInput[]

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:200

Returns

PsbtTxInput[]

Implementation of

IExtPsbt.txInputs

Inherited from

Psbt.txInputs

---

txOutputs

Get Signature

get txOutputs(): PsbtTxOutput[]

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:208

Returns

PsbtTxOutput[]

Implementation of

IExtPsbt.txOutputs

Inherited from

Psbt.txOutputs

---

unsignedTx

Get Signature

get unsignedTx(): Transaction

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:622

Gets the unsigned transaction from the PSBT's internal cache.

Returns

Transaction

The raw unsigned transaction object.

The unsigned transaction when the PSBT is not finalized. note:

Implementation of

IExtPsbt.unsignedTx

---

version

Get Signature

get version(): number

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:184

Returns

number

Set Signature

set version(version): void

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:188

Parameters

version

number

Returns

void

Implementation of

IExtPsbt.version

Inherited from

Psbt.version

Methods

addContractInput()

addContractInput\<Contract>(contract, contractCall): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:393

Adds a contract input to the PSBT (Partially Signed Bitcoin Transaction).

Type Parameters

• Contract extends SmartContract\<StructObject>

Parameters

contract

Contract

The smart contract instance to add as input.

contractCall

ContractCall\<Contract>

The contract call containing the method and arguments.

Returns

this

The PSBT instance for method chaining.

Throws

Error if the contract does not have a bound UTXO.

Implementation of

IExtPsbt.addContractInput

---

addContractOutput()

addContractOutput\<Contract>(contract, satoshis): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:502

Adds a contract output to the PSBT (Partially Signed Opcat Transaction).

Type Parameters

• Contract extends SmartContract\<StructObject>

Type parameter extending SmartContract<OpcatState>

Parameters

contract

Contract

The smart contract instance to add as output

satoshis

number

The amount in satoshis to lock in this output

Returns

this

The PSBT instance for method chaining

Implementation of

IExtPsbt.addContractOutput

---

addInput()

addInput(inputData): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:275

Adds an extended PSBT input with optional finalizer and signature requests.

• Calls parent class's addInput method
• Validates PSBT isn't sealed
• If input has a finalizer, caches the unlock script and sets the finalizer callback
• Processes any signature requests for the input

Parameters

inputData

PsbtInputExtended

Extended PSBT input data containing optional finalizer and sigRequests

Returns

this

PSBT instance for chaining

Implementation of

IExtPsbt.addInput

Overrides

Psbt.addInput

---

addInputs()

addInputs(inputDatas): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:279

Parameters

inputDatas

PsbtInputExtended[]

Returns

this

Implementation of

IExtPsbt.addInputs

Inherited from

Psbt.addInputs

---

addOutput()

addOutput(outputData): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:345

Adds an extended output to the PSBT.

Parameters

outputData

PsbtOutputExtended

The extended output data to add

Returns

this

The PSBT instance for chaining

Throws

Error if the PSBT is already sealed

Implementation of

IExtPsbt.addOutput

Overrides

Psbt.addOutput

---

addOutputs()

addOutputs(outputDatas): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:312

Parameters

outputDatas

PsbtOutputExtended[]

Returns

this

Implementation of

IExtPsbt.addOutputs

Inherited from

Psbt.addOutputs

---

addUnknownKeyValToGlobal()

addUnknownKeyValToGlobal(keyVal): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:805

Parameters

keyVal

KeyValue

Returns

this

Implementation of

IExtPsbt.addUnknownKeyValToGlobal

Inherited from

Psbt.addUnknownKeyValToGlobal

---

addUnknownKeyValToInput()

addUnknownKeyValToInput(inputIndex, keyVal): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:810

Parameters

inputIndex

number

keyVal

KeyValue

Returns

this

Implementation of

IExtPsbt.addUnknownKeyValToInput

Inherited from

Psbt.addUnknownKeyValToInput

---

addUnknownKeyValToOutput()

addUnknownKeyValToOutput(outputIndex, keyVal): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:815

Parameters

outputIndex

number

keyVal

KeyValue

Returns

this

Implementation of

IExtPsbt.addUnknownKeyValToOutput

Inherited from

Psbt.addUnknownKeyValToOutput

---

calculateBacktraceInfo()

calculateBacktraceInfo(provider, prevPrevTxFinder?): Promise\<void>

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:969

Calculates backtrace information for contract inputs in the PSBT.

Iterates through all inputs and collects backtrace info for contract inputs. Uses the provided provider to fetch previous transaction data when needed.

Parameters

provider

UtxoProvider & ChainProvider

Provider interface for fetching UTXO and chain data

prevPrevTxFinder?

(prevTx, provider, inputIndex) => Promise\<string>

Optional function to find previous transactions

Returns

Promise\<void>

Promise that resolves when all backtrace info is calculated

---

change()

change(toAddr, feeRate, data?): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:547

Adds or updates a change output to the PSBT.

Parameters

toAddr

string

The address to receive the change.

feeRate

number

The fee rate to use for the change output.

data?

Optional data to include in the output (hex string or Uint8Array).

string | Uint8Array

Returns

this

The PSBT instance for chaining.

Implementation of

IExtPsbt.change

---

clearFinalizedInput()

clearFinalizedInput(inputIndex): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:820

Parameters

inputIndex

number

Returns

this

Implementation of

IExtPsbt.clearFinalizedInput

Inherited from

Psbt.clearFinalizedInput

---

clone()

clone(): Psbt

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:237

Returns

Psbt

Implementation of

IExtPsbt.clone

Inherited from

Psbt.clone

---

combine()

combine(...those): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:232

Parameters

those

...Psbt[]

Returns

this

Implementation of

IExtPsbt.combine

Inherited from

Psbt.combine

---

estimateFee()

estimateFee(feeRate): number

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:655

Estimates the transaction fee by multiplying the estimated size (in vbytes) by the given fee rate.

Parameters

feeRate

number

Fee rate in satoshis per virtual byte (sat/vbyte).

Returns

number

The estimated fee amount in satoshis.

Implementation of

IExtPsbt.estimateFee

---

estimateSize()

estimateSize(): number

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:646

Estimates the total size of the PSBT by summing the unsigned transaction size and the size of unfinalized call arguments.

Returns

number

The estimated size in bytes.

Implementation of

IExtPsbt.estimateSize

---

extractTransaction()

extractTransaction(disableFeeCheck?): Transaction

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:348

Parameters

disableFeeCheck?

boolean

Returns

Transaction

Implementation of

IExtPsbt.extractTransaction

Inherited from

Psbt.extractTransaction

---

finalizeAllInputs()

finalizeAllInputs(): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:692

Finalizes all inputs in the PSBT by applying their respective finalizers. For each input, if a finalizer is present, it generates the unlocking script and creates a finalization function. After finalizing all inputs, it binds the contract UTXOs. Throws an error if any input fails to finalize.

Returns

this

The current PSBT instance for chaining.

Implementation of

IExtPsbt.finalizeAllInputs

Overrides

Psbt.finalizeAllInputs

---

finalizeInput()

finalizeInput(inputIndex, finalScriptsFunc?): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:384

Parameters

inputIndex

number

finalScriptsFunc?

FinalScriptsFunc

Returns

this

Implementation of

IExtPsbt.finalizeInput

Inherited from

Psbt.finalizeInput

---

getB2GInputUtxo()

getB2GInputUtxo(inputIndex): B2GUTXO

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:875

Retrieves the B2G UTXO (Unspent Transaction Output) for a specific input index.

Parameters

inputIndex

number

The index of the input to retrieve the UTXO for.

Returns

B2GUTXO

The B2G UTXO if found, otherwise undefined.

Implementation of

IExtPsbt.getB2GInputUtxo

---

getBacktraceInfo()

getBacktraceInfo(provider, inputIndex, prevPrevTxFinder): Promise\<BacktraceInfo>

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:938

Retrieves backtrace information for a PSBT input by fetching and analyzing previous transactions.

Parameters

provider

UtxoProvider & ChainProvider

Provider interface for fetching UTXO and chain data

inputIndex

number

Index of the input to trace back from

prevPrevTxFinder

(prevTx, provider, inputIndex) => Promise\<string>

Async function to locate the transaction before the previous transaction

Returns

Promise\<BacktraceInfo>

Promise resolving to backtrace information including:

     - Previous transaction input details
     - Input index in current transaction
     - Preimage of the transaction before previous transaction

---

getChangeInfo()

getChangeInfo(): TxOut

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:598

Gets the change output information from the PSBT transaction.

Returns

TxOut

An object containing the script hash, satoshis value, and data hash of the change output. If no change output exists, returns an empty TxOut with default values (empty script/data hash and 0 satoshis).

Throws

If the change output index is set but the output is not found at that index.

Implementation of

IExtPsbt.getChangeInfo

---

getChangeUTXO()

getChangeUTXO(): UTXO

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:884

Gets the change UTXO (Unspent Transaction Output) if it exists.

Returns

UTXO

The change UTXO if found, otherwise null.

Throws

If the change output index is defined but no output is found at that index.

---

getFee()

getFee(): bigint

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:369

Returns

bigint

Implementation of

IExtPsbt.getFee

Inherited from

Psbt.getFee

---

getFeeRate()

getFeeRate(): number

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:360

Returns

number

Implementation of

IExtPsbt.getFeeRate

Inherited from

Psbt.getFeeRate

---

getInputContract()

getInputContract(inputIndex): SmartContract\<StructObject>

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:866

Gets the smart contract associated with a specific input index.

Parameters

inputIndex

number

The index of the input to retrieve the contract for

Returns

SmartContract\<StructObject>

The smart contract for the specified input, or undefined if not found

---

getInputCtx()

getInputCtx(inputIndex): InputContext

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:210

Gets the input context for the specified input index.

Parameters

inputIndex

number

The index of the input to retrieve context for

Returns

InputContext

The InputContext object associated with the specified input index

Implementation of

IExtPsbt.getInputCtx

---

getInputOutput()

getInputOutput(inputIndex): OpcatUtxo

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:228

Parameters

inputIndex

number

The index of the input to get the output for.

Returns

OpcatUtxo

The previous output of the input.

Implementation of

IExtPsbt.getInputOutput

Inherited from

Psbt.getInputOutput

---

getInputType()

getInputType(inputIndex): AllScriptType

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:421

Parameters

inputIndex

number

Returns

AllScriptType

Implementation of

IExtPsbt.getInputType

Inherited from

Psbt.getInputType

---

getlockTime()

getlockTime(): number

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:132

Gets the lock time (nLockTime) value from the unsigned transaction.

Returns

number

The lock time value as a number.

Implementation of

IExtPsbt.getlockTime

---

getSequence()

getSequence(inputIndex): number

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:125

Gets the sequence number for the specified input index.

Parameters

inputIndex

number

The index of the input in the transaction.

Returns

number

The sequence number of the input.

Implementation of

IExtPsbt.getSequence

---

getSig()

getSig(inputIndex, options): Sig

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:841

Retrieves a signature for a specific input in the PSBT.

Parameters

inputIndex

number

The index of the input to sign.

options

Omit\<ToSignInput, "index">

Signing options including address or public key.

Returns

Sig

The signature as a Sig object. If no signature is found, returns a default zero-filled signature.

Throws

May throw if the input index is invalid or if there are issues with public key conversion.

Implementation of

IExtPsbt.getSig

---

getSigHashType()

getSigHashType(inputIndex): SigHashType

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:201

Gets the signature hash type for the specified input index.

Parameters

inputIndex

number

The index of the input to get the signature hash type for.

Returns

SigHashType

The signature hash type for the specified input index.

Implementation of

IExtPsbt.getSigHashType

---

getSpentDataHashes()

getSpentDataHashes(): ByteString

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:219

Calculates and returns the concatenated SHA-256 hashes of all input OP_CAT UTXO data. Each input's data is hashed individually and the results are concatenated.

Returns

ByteString

The combined hashes of all input data as a ByteString.

Implementation of

IExtPsbt.getSpentDataHashes

---

getUtxo()

getUtxo(outputIndex): ExtUtxo

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:903

Retrieves the UTXO (Unspent Transaction Output) at the specified output index.

Parameters

outputIndex

number

The index of the output to retrieve

Returns

ExtUtxo

An ExtUtxo object containing the UTXO details

Throws

Error if the output at the specified index is not found

---

inputHasHDKey()

inputHasHDKey(inputIndex, root): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:437

Parameters

inputIndex

number

root

HDSigner

Returns

boolean

Implementation of

IExtPsbt.inputHasHDKey

Inherited from

Psbt.inputHasHDKey

---

inputHasPubkey()

inputHasPubkey(inputIndex, pubkey): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:432

Parameters

inputIndex

number

pubkey

Uint8Array

Returns

boolean

Implementation of

IExtPsbt.inputHasPubkey

Inherited from

Psbt.inputHasPubkey

---

isB2GUtxo()

isB2GUtxo(utxo): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:989

Checks if a given UTXO is a B2G (Back to Genesis) UTXO. A B2G UTXO is identified by the presence of a 'txHashPreimage' property in the object.

Parameters

utxo

object

The UTXO object to check

Returns

boolean

boolean indicating if the UTXO is a B2G UTXO

---

isContractInput()

isContractInput(inputIndex): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:762

Checks if the input at the specified index is a contract input.

Parameters

inputIndex

number

The index of the input to check.

Returns

boolean

True if the input is a contract input, false otherwise.

---

outputHasHDKey()

outputHasHDKey(outputIndex, root): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:449

Parameters

outputIndex

number

root

HDSigner

Returns

boolean

Implementation of

IExtPsbt.outputHasHDKey

Inherited from

Psbt.outputHasHDKey

---

outputHasPubkey()

outputHasPubkey(outputIndex, pubkey): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:445

Parameters

outputIndex

number

pubkey

Uint8Array

Returns

boolean

Implementation of

IExtPsbt.outputHasPubkey

Inherited from

Psbt.outputHasPubkey

---

psbtOptions()

psbtOptions(autoFinalized): SignOptions

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:815

Generates PSBT signing options based on signature requests.

Parameters

autoFinalized

boolean = false

Whether to automatically finalize the PSBT after signing (default: false)

Returns

SignOptions

SignOptions object containing signing inputs, or undefined if no signatures are required

---

removeInput()

removeInput(inputIndex): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:434

Removes an input from the PSBT at the specified index. This updates the unsigned transaction, input data, and clears related contract, UTXO, finalizer, and signature request mappings for the removed input.

Parameters

inputIndex

number

The index of the input to remove

Returns

this

The PSBT instance for method chaining

---

removeLastInput()

removeLastInput(): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:449

Removes the last input from the PSBT.

Returns

this

The modified PSBT instance for chaining.

Throws

If there are no inputs to remove.

---

seal()

seal(): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:1018

Finalizes the PSBT by calculating and caching input unlocking scripts, finalizing the change output if specified, and marking the transaction as sealed. Also calculates input contexts after sealing.

Returns

this

The sealed PSBT instance for method chaining.

---

setInputSequence()

setInputSequence(inputIndex, sequence): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:380

Sets the sequence number for the specified input.

Parameters

inputIndex

number

The index of the input to modify

sequence

number

The sequence number to set

Returns

this

The PSBT instance for method chaining

Throws

If the PSBT is sealed (immutable)

Implementation of

IExtPsbt.setInputSequence

Overrides

Psbt.setInputSequence

---

setLocktime()

setLocktime(locktime): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:368

Sets the locktime for the PSBT (Partially Signed Opcat Transaction).

Parameters

locktime

number

The locktime value to set (in blocks or timestamp)

Returns

this

The PSBT instance for chaining

Throws

Error if the PSBT is already sealed

Implementation of

IExtPsbt.setLocktime

Overrides

Psbt.setLocktime

---

setMaximumFeeRate()

setMaximumFeeRate(satoshiPerByte): void

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:244

Parameters

satoshiPerByte

number

Returns

void

Implementation of

IExtPsbt.setMaximumFeeRate

Inherited from

Psbt.setMaximumFeeRate

---

setSighashType()

setSighashType(inputIndex, sigHashType): void

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:184

Sets the sighash type for a specific input index. Throws an error if attempting to set a different sighash type for the same input index.

Parameters

inputIndex

number

The index of the input to set the sighash type for.

sigHashType

SigHashType

The sighash type to set.

Returns

void

Throws

If the sighash type differs from the previously set type for the same input index.

Implementation of

IExtPsbt.setSighashType

---

setVersion()

setVersion(version): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:357

Sets the version number of the PSBT.

Parameters

version

number

The version number to set.

Returns

this

The PSBT instance for chaining.

Throws

Error if the PSBT is sealed.

Implementation of

IExtPsbt.setVersion

Overrides

Psbt.setVersion

---

signAllInputs()

signAllInputs(keyPair, sighashTypes?): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:605

Parameters

keyPair

Signer

sighashTypes?

number[]

Returns

this

Implementation of

IExtPsbt.signAllInputs

Inherited from

Psbt.signAllInputs

---

signAllInputsAsync()

signAllInputsAsync(keyPair, sighashTypes?): Promise\<void>

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:627

Parameters

keyPair

Signer | SignerAsync

sighashTypes?

number[]

Returns

Promise\<void>

Implementation of

IExtPsbt.signAllInputsAsync

Inherited from

Psbt.signAllInputsAsync

---

signAllInputsHD()

signAllInputsHD(hdKeyPair, sighashTypes): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:512

Parameters

hdKeyPair

HDSigner

sighashTypes

number[] = ...

Returns

this

Implementation of

IExtPsbt.signAllInputsHD

Inherited from

Psbt.signAllInputsHD

---

signAllInputsHDAsync()

signAllInputsHDAsync(hdKeyPair, sighashTypes): Promise\<void>

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:535

Parameters

hdKeyPair

HDSigner | HDSignerAsync

sighashTypes

number[] = ...

Returns

Promise\<void>

Implementation of

IExtPsbt.signAllInputsHDAsync

Inherited from

Psbt.signAllInputsHDAsync

---

signAndFinalize()

signAndFinalize(signer): Promise\<void>

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:115

Signs the PSBT with the provided signer and finalizes all inputs.

Parameters

signer

Signer

The signer instance used to sign the PSBT.

Returns

Promise\<void>

A promise that resolves when signing and finalization are complete.

Implementation of

IExtPsbt.signAndFinalize

---

signInput()

signInput(inputIndex, keyPair, sighashTypes?): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:661

Parameters

inputIndex

number

keyPair

Signer

sighashTypes?

number[]

Returns

this

Implementation of

IExtPsbt.signInput

Inherited from

Psbt.signInput

---

signInputAsync()

signInputAsync(inputIndex, keyPair, sighashTypes?): Promise\<void>

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:694

Parameters

inputIndex

number

keyPair

Signer | SignerAsync

sighashTypes?

number[]

Returns

Promise\<void>

Implementation of

IExtPsbt.signInputAsync

Inherited from

Psbt.signInputAsync

---

signInputHD()

signInputHD(inputIndex, hdKeyPair, sighashTypes): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:567

Parameters

inputIndex

number

hdKeyPair

HDSigner

sighashTypes

number[] = ...

Returns

this

Implementation of

IExtPsbt.signInputHD

Inherited from

Psbt.signInputHD

---

signInputHDAsync()

signInputHDAsync(inputIndex, hdKeyPair, sighashTypes): Promise\<void>

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:584

Parameters

inputIndex

number

hdKeyPair

HDSigner | HDSignerAsync

sighashTypes

number[] = ...

Returns

Promise\<void>

Implementation of

IExtPsbt.signInputHDAsync

Inherited from

Psbt.signInputHDAsync

---

spendUTXO()

spendUTXO(utxos): this

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:302

Add input(s) for current psbt to spend the utxos.

Parameters

utxos

the utxos to spend

ExtUtxo | ExtUtxo[]

Returns

this

this

---

toBase64()

toBase64(): string

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:1064

Converts the PSBT to Base64 string representation.

Returns

string

Base64 encoded PSBT data

Throws

If the PSBT is not sealed (must call seal() first)

Implementation of

IExtPsbt.toBase64

Overrides

Psbt.toBase64

---

toBuffer()

toBuffer(): Uint8Array

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:1038

Converts the PSBT to a Uint8Array buffer.

Returns

Uint8Array

The serialized PSBT buffer.

Throws

If the PSBT is not sealed (must call seal() first).

Implementation of

IExtPsbt.toBuffer

Overrides

Psbt.toBuffer

---

toHex()

toHex(): string

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:1052

Converts the PSBT to a hexadecimal string representation.

Returns

string

The hexadecimal string representation of the PSBT.

Throws

If the PSBT is not sealed (must call seal() first).

Implementation of

IExtPsbt.toHex

Overrides

Psbt.toHex

---

txHashPreimage()

txHashPreimage(): string

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:1002

Generates the transaction hash preimage for the PSBT.

Returns

string

The transaction hash preimage as a hexadecimal string.

Throws

If the PSBT is not sealed (must call seal() first).

---

updateGlobal()

updateGlobal(updateData): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:790

Parameters

updateData

PsbtGlobalUpdate

Returns

this

Implementation of

IExtPsbt.updateGlobal

Inherited from

Psbt.updateGlobal

---

updateInput()

updateInput(inputIndex, updateData): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:795

Parameters

inputIndex

number

updateData

PsbtInputUpdate

Returns

this

Implementation of

IExtPsbt.updateInput

Inherited from

Psbt.updateInput

---

updateOutput()

updateOutput(outputIndex, updateData): this

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:800

Parameters

outputIndex

number

updateData

PsbtOutputUpdate

Returns

this

Implementation of

IExtPsbt.updateOutput

Inherited from

Psbt.updateOutput

---

validateSignaturesOfAllInputs()

validateSignaturesOfAllInputs(validator): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:457

Parameters

validator

ValidateSigFunction

Returns

boolean

Implementation of

IExtPsbt.validateSignaturesOfAllInputs

Inherited from

Psbt.validateSignaturesOfAllInputs

---

validateSignaturesOfInput()

validateSignaturesOfInput(inputIndex, validator, pubkey?): boolean

Defined in: packages/scrypt-ts-opcat/src/psbt/psbt.ts:465

Parameters

inputIndex

number

validator

ValidateSigFunction

pubkey?

Uint8Array

Returns

boolean

Implementation of

IExtPsbt.validateSignaturesOfInput

Inherited from

Psbt.validateSignaturesOfInput

---

fromBase64()

static fromBase64(data, opts): ExtPsbt

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:142

Creates an ExtPsbt instance from a base64-encoded string.

Parameters

data

string

The base64-encoded PSBT data

opts

ExtPsbtOpts = {}

Optional configuration options for the ExtPsbt

Returns

ExtPsbt

A new ExtPsbt instance

Overrides

Psbt.fromBase64

---

fromBuffer()

static fromBuffer(buffer, opts): ExtPsbt

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:164

Creates an ExtPsbt instance from a buffer containing PSBT data.

Parameters

buffer

Uint8Array

The buffer containing the PSBT data.

opts

ExtPsbtOpts = {}

Optional parameters including network configuration.

Returns

ExtPsbt

A new ExtPsbt instance initialized with the PSBT data.

Overrides

Psbt.fromBuffer

---

fromHex()

static fromHex(data, opts): ExtPsbt

Defined in: packages/scrypt-ts-opcat/src/psbt/extPsbt.ts:153

Creates an ExtPsbt instance from a hex string.

Parameters

data

string

Hex string representation of the PSBT data

opts

ExtPsbtOpts = {}

Optional configuration options for the ExtPsbt

Returns

ExtPsbt

A new ExtPsbt instance

Overrides

Psbt.fromHex