31 lines
703 B
Go
31 lines
703 B
Go
package nonce
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import (
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"fmt"
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wire "github.com/tendermint/go-wire"
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"github.com/tendermint/basecoin/errors"
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"github.com/tendermint/basecoin/state"
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)
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func getSeq(store state.SimpleDB, key []byte) (seq uint32, err error) {
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data := store.Get(key)
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if len(data) == 0 {
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//if the key is not stored, its a new key with a sequence of zero!
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return 0, nil
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}
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err = wire.ReadBinaryBytes(data, &seq)
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if err != nil {
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msg := fmt.Sprintf("Error reading sequence for %X", key)
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return seq, errors.ErrInternal(msg)
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}
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return seq, nil
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}
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func setSeq(store state.SimpleDB, key []byte, seq uint32) error {
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bin := wire.BinaryBytes(seq)
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store.Set(key, bin)
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return nil // real stores can return error...
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}
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