/
options.go
44 lines (39 loc) · 1.96 KB
/
options.go
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package keyring
import (
"github.com/cosmos/cosmos-sdk/crypto/keyring"
cosmosLedger "github.com/cosmos/cosmos-sdk/crypto/ledger"
"github.com/cosmos/cosmos-sdk/crypto/types"
"github.com/cvn-network/cvn/v2/crypto/ethsecp256k1"
"github.com/cvn-network/cvn/v2/crypto/hd"
"github.com/cvn-network/cvn/v2/ledger"
)
// AppName defines the Ledger app used for signing. CVN uses the Ethereum app
const AppName = "Ethereum"
var (
// SupportedAlgorithms defines the list of signing algorithms used on CVN:
// - eth_secp256k1 (Ethereum)
SupportedAlgorithms = keyring.SigningAlgoList{hd.EthSecp256k1}
// SupportedAlgorithmsLedger defines the list of signing algorithms used on CVN for the Ledger device:
// - secp256k1 (in order to comply with Cosmos SDK)
// The Ledger derivation function is responsible for all signing and address generation.
SupportedAlgorithmsLedger = keyring.SigningAlgoList{hd.EthSecp256k1}
// LedgerDerivation defines the CVN Ledger Go derivation (Ethereum app with EIP-712 signing)
LedgerDerivation = ledger.EvmosLedgerDerivation()
// CreatePubkey uses the ethsecp256k1 pubkey with Ethereum address generation and keccak hashing
CreatePubkey = func(key []byte) types.PubKey { return ðsecp256k1.PubKey{Key: key} }
// SkipDERConversion represents whether the signed Ledger output should skip conversion from DER to BER.
// This is set to true for signing performed by the Ledger Ethereum app.
SkipDERConversion = true
)
// Option EthSecp256k1Option defines a function keys options for the ethereum Secp256k1 curve.
// It supports eth_secp256k1 keys for accounts.
func Option() keyring.Option {
return func(options *keyring.Options) {
options.SupportedAlgos = SupportedAlgorithms
options.SupportedAlgosLedger = SupportedAlgorithmsLedger
options.LedgerDerivation = func() (cosmosLedger.SECP256K1, error) { return LedgerDerivation() }
options.LedgerCreateKey = CreatePubkey
options.LedgerAppName = AppName
options.LedgerSigSkipDERConv = SkipDERConversion
}
}