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39 lines
1.4 KiB
Go
39 lines
1.4 KiB
Go
package testutils
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import (
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/kaspanet/kaspad/domain/consensus/utils/consensushashing"
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"github.com/kaspanet/kaspad/domain/consensus/utils/constants"
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"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
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)
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// CreateTransaction create a transaction that spends the first output of provided transaction.
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// Assumes that the output being spent has opTrueScript as it's scriptPublicKey
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// Creates the value of the spent output minus 1 sompi
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func CreateTransaction(txToSpend *externalapi.DomainTransaction) (*externalapi.DomainTransaction, error) {
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scriptPublicKey, redeemScript := OpTrueScript()
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signatureScript, err := txscript.PayToScriptHashSignatureScript(redeemScript, nil)
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if err != nil {
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return nil, err
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}
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input := &externalapi.DomainTransactionInput{
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PreviousOutpoint: externalapi.DomainOutpoint{
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TransactionID: *consensushashing.TransactionID(txToSpend),
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Index: 0,
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},
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SignatureScript: signatureScript,
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Sequence: constants.MaxTxInSequenceNum,
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}
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output := &externalapi.DomainTransactionOutput{
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ScriptPublicKey: scriptPublicKey,
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Value: txToSpend.Outputs[0].Value - 1,
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}
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return &externalapi.DomainTransaction{
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Version: constants.TransactionVersion,
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Inputs: []*externalapi.DomainTransactionInput{input},
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Outputs: []*externalapi.DomainTransactionOutput{output},
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Payload: []byte{},
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}, nil
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}
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