72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
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//go:build nimbus_light_client
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// +build nimbus_light_client
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package rpc
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import (
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"context"
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"fmt"
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)
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import (
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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/ethereum/go-ethereum/log"
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gethrpc "github.com/ethereum/go-ethereum/rpc"
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proxy "github.com/siphiuel/lc-proxy-wrapper"
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"github.com/status-im/status-go/params"
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)
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type VerifProxy struct {
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config *proxy.Config
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client *gethrpc.Client
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log log.Logger
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}
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func init() {
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verifProxyInitFn = func(c *Client) {
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ctx := context.Background()
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var testConfig = proxy.Config{
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Eth2Network: "mainnet",
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TrustedBlockRoot: "0xc5182cdb750fe088138b0d475683cda26a96befc24de16fb17bcf49d9cadf2f7",
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Web3Url: c.upstreamURL,
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RpcAddress: "127.0.0.1",
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RpcPort: 8545,
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LogLevel: "INFO",
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}
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proxy.StartLightClient(ctx, &testConfig)
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verifProxy, err := newVerifProxy(&testConfig, c.log)
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if err != nil {
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c.RegisterHandler(
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params.BalanceMethodName,
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func(ctx context.Context, v uint64, params ...interface{}) (interface{}, error) {
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addr := params[0].(common.Address)
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return verifProxy.GetBalance(ctx, addr)
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},
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)
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}
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}
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}
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func newVerifProxy(cfg *proxy.Config, log log.Logger) (*VerifProxy, error) {
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endpoint := "http://" + cfg.RpcAddress + ":" + fmt.Sprint(cfg.RpcPort)
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client, err := gethrpc.DialHTTP(endpoint)
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if err != nil {
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log.Error("Error when creating VerifProxy client", err)
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return nil, err
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}
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proxy := &VerifProxy{cfg, client, log}
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return proxy, nil
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}
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func (p *VerifProxy) GetBalance(ctx context.Context, address common.Address) (interface{}, error) {
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var result hexutil.Big
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err := p.client.CallContext(ctx, &result, "eth_getBalance", address, "latest")
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if err != nil {
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p.log.Error("Error when invoking GetBalance", err)
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return nil, err
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}
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return result, nil
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}
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