forked from TrueCloudLab/neoneo-go
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
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package mempool
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import (
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"time"
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"github.com/CityOfZion/neo-go/pkg/wire/payload/transaction"
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)
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// TX is a wrapper struct around a normal tx
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// which includes extra information about the TX
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// <aligned>
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type TX struct {
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ParentTX *transaction.Transactioner
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Added time.Time
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Fee uint64
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Size uint64
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NumWitness uint8
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Free bool
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}
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// Descriptor takes a transaction and puts it into a new TX struct along with metadata
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func Descriptor(trans transaction.Transactioner) *TX {
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var desc TX
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desc.ParentTX = &trans
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desc.Fee = getFee(trans.TXOs(), trans.UTXOs())
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desc.Free = desc.Fee != 0
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desc.Added = time.Now()
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desc.Size = uint64(len(trans.Bytes()))
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numWit := len(trans.Witness())
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if numWit > 255 || numWit < 0 { // < 0 should not happen
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numWit = 255
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}
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desc.NumWitness = uint8(numWit)
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return &desc
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}
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// TODO: need blockchain package complete for fee calculation
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// HMM:Could also put the function in the config
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func getFee(in []*transaction.Input, out []*transaction.Output) uint64 {
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// query utxo set for inputs, then subtract from out to get fee
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return 0
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}
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