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wallet: define ErrReplacement

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This error will be returned if the backend rejects a transaction since
it doesn't satisfy the requirements for replacement.
This commit is contained in:
Johan T. Halseth 2019-09-19 14:28:02 +02:00
parent 7533180fd3
commit 0149963628
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1 changed files with 57 additions and 0 deletions
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57
wallet/wallet.go
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@ -3313,6 +3313,25 @@ func (e *ErrDoubleSpend) Unwrap() error {
return e.backendError return e.backendError
} }
// ErrReplacement is an error returned from PublishTransaction in case the
// published transaction failed to propagate since it was double spending a
// replacable transaction but did not satisfy the requirements to replace it.
type ErrReplacement struct {
backendError error
}
// Error returns the string representation of ErrReplacement.
//
// NOTE: Satisfies the error interface.
func (e *ErrReplacement) Error() string {
return fmt.Sprintf("unable to replace transaction: %v", e.backendError)
}
// Unwrap returns the underlying error returned from the backend.
func (e *ErrReplacement) Unwrap() error {
return e.backendError
}
// PublishTransaction sends the transaction to the consensus RPC server so it // PublishTransaction sends the transaction to the consensus RPC server so it
// can be propagated to other nodes and eventually mined. // can be propagated to other nodes and eventually mined.
// //
@ -3504,6 +3523,44 @@ func (w *Wallet) publishTransaction(tx *wire.MsgTx) (*chainhash.Hash, error) {
backendError: err, backendError: err,
} }
// Returned by bitcoind if the transaction spends outputs that would be
// replaced by it.
// https://github.com/bitcoin/bitcoin/blob/9bf5768dd628b3a7c30dd42b5ed477a92c4d3540/src/validation.cpp#L790
case match(err, "bad-txns-spends-conflicting-tx"):
fallthrough
// Returned by bitcoind when a replacement transaction did not have
// enough fee.
// https://github.com/bitcoin/bitcoin/blob/9bf5768dd628b3a7c30dd42b5ed477a92c4d3540/src/validation.cpp#L830
// https://github.com/bitcoin/bitcoin/blob/9bf5768dd628b3a7c30dd42b5ed477a92c4d3540/src/validation.cpp#L894
// https://github.com/bitcoin/bitcoin/blob/9bf5768dd628b3a7c30dd42b5ed477a92c4d3540/src/validation.cpp#L904
case match(err, "insufficient fee"):
fallthrough
// Returned by bitcoind in case the transaction would replace too many
// transaction in the mempool.
// https://github.com/bitcoin/bitcoin/blob/9bf5768dd628b3a7c30dd42b5ed477a92c4d3540/src/validation.cpp#L858
case match(err, "too many potential replacements"):
fallthrough
// Returned by bitcoind if the transaction spends an output that is
// unconfimed and not spent by the transaction it replaces.
// https://github.com/bitcoin/bitcoin/blob/9bf5768dd628b3a7c30dd42b5ed477a92c4d3540/src/validation.cpp#L882
case match(err, "replacement-adds-unconfirmed"):
fallthrough
// Returned by btcd when replacement transaction was rejected for
// whatever reason.
// https://github.com/btcsuite/btcd/blob/130ea5bddde33df32b06a1cdb42a6316eb73cff5/mempool/mempool.go#L841
// https://github.com/btcsuite/btcd/blob/130ea5bddde33df32b06a1cdb42a6316eb73cff5/mempool/mempool.go#L854
// https://github.com/btcsuite/btcd/blob/130ea5bddde33df32b06a1cdb42a6316eb73cff5/mempool/mempool.go#L875
// https://github.com/btcsuite/btcd/blob/130ea5bddde33df32b06a1cdb42a6316eb73cff5/mempool/mempool.go#L896
// https://github.com/btcsuite/btcd/blob/130ea5bddde33df32b06a1cdb42a6316eb73cff5/mempool/mempool.go#L913
case match(err, "replacement transaction"):
returnErr = &ErrReplacement{
backendError: err,
}
// We received an error not matching any of the above cases. // We received an error not matching any of the above cases.
default: default:
returnErr = fmt.Errorf("unmatched backend error: %v", err) returnErr = fmt.Errorf("unmatched backend error: %v", err)