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68 lines
1.9 KiB
68 lines
1.9 KiB
package account
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import (
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"bytes"
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"fmt"
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"io"
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"github.com/tendermint/tendermint/binary"
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"github.com/tendermint/tendermint/merkle"
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)
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// Signable is an interface for all signable things.
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// It typically removes signatures before serializing.
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type Signable interface {
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WriteSignBytes(chainID string, w io.Writer, n *int64, err *error)
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}
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// SignBytes is a convenience method for getting the bytes to sign of a Signable.
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func SignBytes(chainID string, o Signable) []byte {
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buf, n, err := new(bytes.Buffer), new(int64), new(error)
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o.WriteSignBytes(chainID, buf, n, err)
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if *err != nil {
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// SOMETHING HAS GONE HORRIBLY WRONG
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panic(err)
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}
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return buf.Bytes()
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}
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// HashSignBytes is a convenience method for getting the hash of the bytes of a signable
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func HashSignBytes(chainID string, o Signable) []byte {
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return merkle.SimpleHashFromBinary(SignBytes(chainID, o))
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}
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//-----------------------------------------------------------------------------
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// Account resides in the application state, and is mutated by transactions
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// on the blockchain.
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// Serialized by binary.[read|write]Reflect
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type Account struct {
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Address []byte `json:"address"`
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PubKey PubKey `json:"pub_key"`
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Sequence int `json:"sequence"`
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Balance int64 `json:"balance"`
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Code []byte `json:"code"` // VM code
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StorageRoot []byte `json:"storage_root"` // VM storage merkle root.
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}
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func (acc *Account) Copy() *Account {
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accCopy := *acc
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return &accCopy
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}
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func (acc *Account) String() string {
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return fmt.Sprintf("Account{%X:%v C:%v S:%X}", acc.Address, acc.PubKey, len(acc.Code), acc.StorageRoot)
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}
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func AccountEncoder(o interface{}, w io.Writer, n *int64, err *error) {
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binary.WriteBinary(o.(*Account), w, n, err)
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}
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func AccountDecoder(r io.Reader, n *int64, err *error) interface{} {
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return binary.ReadBinary(&Account{}, r, n, err)
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}
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var AccountCodec = binary.Codec{
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Encode: AccountEncoder,
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Decode: AccountDecoder,
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}
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