lnwallet/btcwallet: fix bug in implementation of GetUxo
This commit fixes a bug within the btcwallet implementation of the BlockChainIO interface. The exact nature of the bug was a rounding error that would only manifest if the value of the UTXO was below 1 BTC. The tests within this package currently test channels with mostly whole values of BTC, as a result the bug went unnoticed until now. The fix itself is trivial: convert to an int64 AFTER performing the multiplication to convert to satoshis from Bitcoin.
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@ -32,7 +32,7 @@ func (b *BtcWallet) GetUtxo(txid *wire.ShaHash, index uint32) (*wire.TxOut, erro
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return &wire.TxOut{
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return &wire.TxOut{
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// Sadly, gettxout returns the output value in BTC
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// Sadly, gettxout returns the output value in BTC
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// instead of satoshis.
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// instead of satoshis.
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Value: int64(txout.Value) * 1e8,
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Value: int64(txout.Value * 1e8),
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PkScript: pkScript,
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PkScript: pkScript,
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}, nil
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}, nil
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}
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}
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