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add basic wireing of the remote signer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| package config | ||
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| import "time" | ||
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| const ( | ||
| defaultUrl = "http://127.0.0.1:9791" | ||
| defaultTimeout = 2 * time.Second | ||
| ) | ||
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| type RemoteSignerCfg struct { | ||
| URL string `long:"url" description:"URL of the remote signer"` | ||
| Timeout time.Duration `long:"timeout" description:"client when making requests to the remote signer"` | ||
| } | ||
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| func DefaultRemoteSignerConfig() RemoteSignerCfg { | ||
| return RemoteSignerCfg{ | ||
| URL: defaultUrl, | ||
| Timeout: defaultTimeout, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| package remotesigner | ||
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| import ( | ||
| "context" | ||
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| "github.com/babylonlabs-io/covenant-emulator/config" | ||
| "github.com/babylonlabs-io/covenant-emulator/covenant" | ||
| "github.com/babylonlabs-io/covenant-emulator/covenant-signer/signerapp" | ||
| "github.com/babylonlabs-io/covenant-emulator/covenant-signer/signerservice" | ||
| "github.com/btcsuite/btcd/btcec/v2" | ||
| ) | ||
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| var _ covenant.Signer = RemoteSigner{} | ||
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| func covenantRequestToSignerRequest(req covenant.SigningRequest) *signerapp.ParsedSigningRequest { | ||
| return &signerapp.ParsedSigningRequest{ | ||
| StakingTx: req.StakingTx, | ||
| SlashingTx: req.SlashingTx, | ||
| UnbondingTx: req.UnbondingTx, | ||
| SlashUnbondingTx: req.SlashUnbondingTx, | ||
| StakingOutputIdx: req.StakingOutputIdx, | ||
| SlashingScript: req.SlashingPkScriptPath, | ||
| UnbondingScript: req.StakingTxUnbondingPkScriptPath, | ||
| UnbondingSlashingScript: req.UnbondingTxSlashingPkScriptPath, | ||
| FpEncKeys: req.FpEncKeys, | ||
| } | ||
| } | ||
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| func signerResponseToCovenantResponse(resp *signerapp.ParsedSigningResponse) *covenant.SignaturesResponse { | ||
| return &covenant.SignaturesResponse{ | ||
| SlashSigs: resp.SlashAdaptorSigs, | ||
| UnbondingSig: resp.UnbondingSig, | ||
| SlashUnbondingSigs: resp.SlashUnbondingAdaptorSigs, | ||
| } | ||
| } | ||
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| type RemoteSigner struct { | ||
| cfg *config.RemoteSignerCfg | ||
| } | ||
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| func NewRemoteSigner(cfg *config.RemoteSignerCfg) RemoteSigner { | ||
| return RemoteSigner{ | ||
| cfg: cfg, | ||
| } | ||
| } | ||
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| func (rs RemoteSigner) PubKey() (*btcec.PublicKey, error) { | ||
| return signerservice.GetPublicKey(context.Background(), rs.cfg.URL, rs.cfg.Timeout) | ||
| } | ||
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| func (rs RemoteSigner) SignTransactions(req covenant.SigningRequest) (*covenant.SignaturesResponse, error) { | ||
| resp, err := signerservice.RequestCovenantSignaure( | ||
| context.Background(), | ||
| rs.cfg.URL, | ||
| rs.cfg.Timeout, | ||
| covenantRequestToSignerRequest(req), | ||
| ) | ||
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| if err != nil { | ||
| return nil, err | ||
| } | ||
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| return signerResponseToCovenantResponse(resp), nil | ||
| } |