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61 lines
1.8 KiB
61 lines
1.8 KiB
package keys
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import (
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"sort"
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crypto "github.com/tendermint/go-crypto"
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)
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// KeyInfo is the public information about a key
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type KeyInfo struct {
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Name string
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PubKey crypto.PubKeyS
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}
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// KeyInfos is a wrapper to allows alphabetical sorting of the keys
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type KeyInfos []KeyInfo
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func (k KeyInfos) Len() int { return len(k) }
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func (k KeyInfos) Less(i, j int) bool { return k[i].Name < k[j].Name }
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func (k KeyInfos) Swap(i, j int) { k[i], k[j] = k[j], k[i] }
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func (k KeyInfos) Sort() {
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if k != nil {
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sort.Sort(k)
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}
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}
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// Signable represents any transaction we wish to send to tendermint core
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// These methods allow us to sign arbitrary Tx with the KeyStore
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type Signable interface {
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// SignBytes is the immutable data, which needs to be signed
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SignBytes() []byte
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// Sign will add a signature and pubkey.
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//
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// Depending on the Signable, one may be able to call this multiple times for multisig
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// Returns error if called with invalid data or too many times
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Sign(pubkey crypto.PubKey, sig crypto.Signature) error
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// Signers will return the public key(s) that signed if the signature
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// is valid, or an error if there is any issue with the signature,
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// including if there are no signatures
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Signers() ([]crypto.PubKey, error)
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// TxBytes returns the transaction data as well as all signatures
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// It should return an error if Sign was never called
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TxBytes() ([]byte, error)
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}
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// Signer allows one to use a keystore to sign transactions
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type Signer interface {
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Sign(name, passphrase string, tx Signable) error
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}
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// KeyManager allows simple CRUD on a keystore, as an aid to signing
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type KeyManager interface {
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Create(name, passphrase string) error
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List() (KeyInfos, error)
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Get(name string) (KeyInfo, error)
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Update(name, oldpass, newpass string) error
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Delete(name, passphrase string) error
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}
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