92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
package personal
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import (
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"context"
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"errors"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/status-im/status-go/account"
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"github.com/status-im/status-go/eth-node/types"
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"github.com/status-im/status-go/params"
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"github.com/status-im/status-go/rpc"
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)
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var (
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// ErrInvalidPersonalSignAccount is returned when the account passed to
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// personal_sign isn't equal to the currently selected account.
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ErrInvalidPersonalSignAccount = errors.New("invalid account as only the selected one can generate a signature")
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)
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// SignParams required to sign messages
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type SignParams struct {
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Data interface{} `json:"data"`
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Address string `json:"account"`
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Password string `json:"password"`
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}
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// RecoverParams are for calling `personal_ecRecover`
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type RecoverParams struct {
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Message string `json:"message"`
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Signature string `json:"signature"`
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}
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// PublicAPI represents a set of APIs from the `web3.personal` namespace.
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type PublicAPI struct {
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rpcClient *rpc.Client
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rpcTimeout time.Duration
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}
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// NewAPI creates an instance of the personal API.
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func NewAPI() *PublicAPI {
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return &PublicAPI{
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rpcTimeout: 300 * time.Second,
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}
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}
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// SetRPC sets RPC params (client and timeout) for the API calls.
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func (api *PublicAPI) SetRPC(rpcClient *rpc.Client, timeout time.Duration) {
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api.rpcClient = rpcClient
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api.rpcTimeout = timeout
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}
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// Recover is an implementation of `personal_ecRecover` or `web3.personal.ecRecover` API
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func (api *PublicAPI) Recover(rpcParams RecoverParams) (addr types.Address, err error) {
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ctx, cancel := context.WithTimeout(context.Background(), api.rpcTimeout)
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defer cancel()
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var gethAddr common.Address
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err = api.rpcClient.CallContextIgnoringLocalHandlers(
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ctx,
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&gethAddr,
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api.rpcClient.UpstreamChainID,
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params.PersonalRecoverMethodName,
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rpcParams.Message, rpcParams.Signature)
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addr = types.Address(gethAddr)
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return
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}
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// Sign is an implementation of `personal_sign` or `web3.personal.sign` API
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func (api *PublicAPI) Sign(rpcParams SignParams, verifiedAccount *account.SelectedExtKey) (result types.HexBytes, err error) {
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if !strings.EqualFold(rpcParams.Address, verifiedAccount.Address.Hex()) {
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err = ErrInvalidPersonalSignAccount
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return
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}
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ctx, cancel := context.WithTimeout(context.Background(), api.rpcTimeout)
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defer cancel()
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var gethResult hexutil.Bytes
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err = api.rpcClient.CallContextIgnoringLocalHandlers(
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ctx,
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&gethResult,
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api.rpcClient.UpstreamChainID,
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params.PersonalSignMethodName,
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rpcParams.Data, rpcParams.Address, rpcParams.Password)
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result = types.HexBytes(gethResult)
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return
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}
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