mirror of https://github.com/ethereum/go-ethereum
obscuren
10 years ago
parent
10b252dd05
commit
520fdfe346
@ -1,311 +0,0 @@ |
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package ethrpc |
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|
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import ( |
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"encoding/json" |
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"errors" |
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"math/big" |
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"strings" |
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|
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"github.com/ethereum/eth-go/ethpipe" |
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"github.com/ethereum/eth-go/ethutil" |
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) |
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|
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type EthereumApi struct { |
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pipe *ethpipe.JSPipe |
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} |
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type JsonArgs interface { |
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requirements() error |
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} |
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type BlockResponse struct { |
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JsonResponse |
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} |
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type GetBlockArgs struct { |
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BlockNumber int |
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Hash string |
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} |
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type ErrorResponse struct { |
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Error bool `json:"error"` |
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ErrorText string `json:"errorText"` |
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} |
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type JsonResponse interface { |
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} |
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type SuccessRes struct { |
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Error bool `json:"error"` |
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Result JsonResponse `json:"result"` |
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} |
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func NewSuccessRes(object JsonResponse) string { |
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e := SuccessRes{Error: false, Result: object} |
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res, err := json.Marshal(e) |
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if err != nil { |
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// This should never happen
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panic("Creating json error response failed, help") |
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} |
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success := string(res) |
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return success |
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} |
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|
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func NewErrorResponse(msg string) error { |
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e := ErrorResponse{Error: true, ErrorText: msg} |
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res, err := json.Marshal(e) |
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if err != nil { |
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// This should never happen
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panic("Creating json error response failed, help") |
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} |
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newErr := errors.New(string(res)) |
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return newErr |
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} |
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|
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func (b *GetBlockArgs) requirements() error { |
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if b.BlockNumber == 0 && b.Hash == "" { |
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return NewErrorResponse("GetBlock requires either a block 'number' or a block 'hash' as argument") |
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} |
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return nil |
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} |
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|
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func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *string) error { |
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err := args.requirements() |
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if err != nil { |
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return err |
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} |
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block := p.pipe.BlockByHash(args.Hash) |
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*reply = NewSuccessRes(block) |
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return nil |
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} |
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type NewTxArgs struct { |
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Sec string |
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Recipient string |
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Value string |
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Gas string |
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GasPrice string |
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Init string |
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Body string |
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} |
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type TxResponse struct { |
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Hash string |
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} |
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func (a *NewTxArgs) requirements() error { |
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if a.Recipient == "" { |
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return NewErrorResponse("Transact requires a 'recipient' address as argument") |
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} |
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if a.Value == "" { |
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return NewErrorResponse("Transact requires a 'value' as argument") |
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} |
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if a.Gas == "" { |
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return NewErrorResponse("Transact requires a 'gas' value as argument") |
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} |
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if a.GasPrice == "" { |
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return NewErrorResponse("Transact requires a 'gasprice' value as argument") |
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} |
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return nil |
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} |
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func (a *NewTxArgs) requirementsContract() error { |
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if a.Value == "" { |
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return NewErrorResponse("Create requires a 'value' as argument") |
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} |
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if a.Gas == "" { |
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return NewErrorResponse("Create requires a 'gas' value as argument") |
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} |
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if a.GasPrice == "" { |
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return NewErrorResponse("Create requires a 'gasprice' value as argument") |
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} |
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if a.Body == "" { |
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return NewErrorResponse("Create requires a 'body' value as argument") |
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} |
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return nil |
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} |
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func (p *EthereumApi) Transact(args *NewTxArgs, reply *string) error { |
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err := args.requirements() |
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if err != nil { |
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return err |
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} |
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result, _ := p.pipe.Transact(p.pipe.Key().PrivateKey, args.Recipient, args.Value, args.Gas, args.GasPrice, args.Body) |
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*reply = NewSuccessRes(result) |
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return nil |
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} |
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func (p *EthereumApi) Create(args *NewTxArgs, reply *string) error { |
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err := args.requirementsContract() |
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if err != nil { |
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return err |
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} |
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result, _ := p.pipe.Transact(p.pipe.Key().PrivateKey, "", args.Value, args.Gas, args.GasPrice, args.Body) |
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*reply = NewSuccessRes(result) |
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return nil |
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} |
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type PushTxArgs struct { |
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Tx string |
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} |
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func (a *PushTxArgs) requirementsPushTx() error { |
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if a.Tx == "" { |
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return NewErrorResponse("PushTx requires a 'tx' as argument") |
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} |
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return nil |
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} |
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func (p *EthereumApi) PushTx(args *PushTxArgs, reply *string) error { |
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err := args.requirementsPushTx() |
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if err != nil { |
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return err |
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} |
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result, _ := p.pipe.PushTx(args.Tx) |
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*reply = NewSuccessRes(result) |
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return nil |
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} |
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func (p *EthereumApi) GetKey(args interface{}, reply *string) error { |
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*reply = NewSuccessRes(p.pipe.Key()) |
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return nil |
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} |
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type GetStorageArgs struct { |
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Address string |
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Key string |
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} |
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func (a *GetStorageArgs) requirements() error { |
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if a.Address == "" { |
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return NewErrorResponse("GetStorageAt requires an 'address' value as argument") |
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} |
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if a.Key == "" { |
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return NewErrorResponse("GetStorageAt requires an 'key' value as argument") |
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} |
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return nil |
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} |
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type GetStorageAtRes struct { |
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Key string `json:"key"` |
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Value string `json:"value"` |
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Address string `json:"address"` |
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} |
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func (p *EthereumApi) GetStorageAt(args *GetStorageArgs, reply *string) error { |
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err := args.requirements() |
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if err != nil { |
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return err |
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} |
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state := p.pipe.World().SafeGet(ethutil.Hex2Bytes(args.Address)) |
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var hx string |
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if strings.Index(args.Key, "0x") == 0 { |
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hx = string([]byte(args.Key)[2:]) |
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} else { |
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// Convert the incoming string (which is a bigint) into hex
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i, _ := new(big.Int).SetString(args.Key, 10) |
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hx = ethutil.Bytes2Hex(i.Bytes()) |
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} |
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logger.Debugf("GetStorageAt(%s, %s)\n", args.Address, hx) |
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value := state.Storage(ethutil.Hex2Bytes(hx)) |
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*reply = NewSuccessRes(GetStorageAtRes{Address: args.Address, Key: args.Key, Value: value.Str()}) |
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return nil |
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} |
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type GetTxCountArgs struct { |
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Address string `json:"address"` |
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} |
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type GetTxCountRes struct { |
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Nonce int `json:"nonce"` |
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} |
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func (a *GetTxCountArgs) requirements() error { |
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if a.Address == "" { |
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return NewErrorResponse("GetTxCountAt requires an 'address' value as argument") |
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} |
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return nil |
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} |
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type GetPeerCountRes struct { |
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PeerCount int `json:"peerCount"` |
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} |
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func (p *EthereumApi) GetPeerCount(args *interface{}, reply *string) error { |
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*reply = NewSuccessRes(GetPeerCountRes{PeerCount: p.pipe.PeerCount()}) |
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return nil |
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} |
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type GetListeningRes struct { |
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IsListening bool `json:"isListening"` |
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} |
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func (p *EthereumApi) GetIsListening(args *interface{}, reply *string) error { |
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*reply = NewSuccessRes(GetListeningRes{IsListening: p.pipe.IsListening()}) |
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return nil |
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} |
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type GetCoinbaseRes struct { |
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Coinbase string `json:"coinbase"` |
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} |
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func (p *EthereumApi) GetCoinbase(args *interface{}, reply *string) error { |
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*reply = NewSuccessRes(GetCoinbaseRes{Coinbase: p.pipe.CoinBase()}) |
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return nil |
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} |
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type GetMiningRes struct { |
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IsMining bool `json:"isMining"` |
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} |
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func (p *EthereumApi) GetIsMining(args *interface{}, reply *string) error { |
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*reply = NewSuccessRes(GetMiningRes{IsMining: p.pipe.IsMining()}) |
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return nil |
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} |
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func (p *EthereumApi) GetTxCountAt(args *GetTxCountArgs, reply *string) error { |
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err := args.requirements() |
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if err != nil { |
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return err |
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} |
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state := p.pipe.TxCountAt(args.Address) |
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*reply = NewSuccessRes(GetTxCountRes{Nonce: state}) |
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return nil |
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} |
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type GetBalanceArgs struct { |
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Address string |
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} |
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func (a *GetBalanceArgs) requirements() error { |
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if a.Address == "" { |
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return NewErrorResponse("GetBalanceAt requires an 'address' value as argument") |
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} |
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return nil |
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} |
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type BalanceRes struct { |
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Balance string `json:"balance"` |
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Address string `json:"address"` |
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} |
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func (p *EthereumApi) GetBalanceAt(args *GetBalanceArgs, reply *string) error { |
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err := args.requirements() |
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if err != nil { |
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return err |
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} |
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state := p.pipe.World().SafeGet(ethutil.Hex2Bytes(args.Address)) |
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*reply = NewSuccessRes(BalanceRes{Balance: state.Balance.String(), Address: args.Address}) |
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return nil |
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} |
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type TestRes struct { |
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JsonResponse `json:"-"` |
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Answer int `json:"answer"` |
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} |
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func (p *EthereumApi) Test(args *GetBlockArgs, reply *string) error { |
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*reply = NewSuccessRes(TestRes{Answer: 15}) |
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return nil |
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} |
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@ -1,67 +0,0 @@ |
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package ethrpc |
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import ( |
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"fmt" |
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"net" |
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"net/rpc" |
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"net/rpc/jsonrpc" |
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"github.com/ethereum/eth-go/ethlog" |
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"github.com/ethereum/eth-go/ethpipe" |
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) |
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var logger = ethlog.NewLogger("JSON") |
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type JsonRpcServer struct { |
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quit chan bool |
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listener net.Listener |
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pipe *ethpipe.JSPipe |
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} |
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func (s *JsonRpcServer) exitHandler() { |
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out: |
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for { |
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select { |
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case <-s.quit: |
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s.listener.Close() |
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break out |
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} |
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} |
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logger.Infoln("Shutdown JSON-RPC server") |
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} |
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func (s *JsonRpcServer) Stop() { |
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close(s.quit) |
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} |
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func (s *JsonRpcServer) Start() { |
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logger.Infoln("Starting JSON-RPC server") |
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go s.exitHandler() |
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rpc.Register(&EthereumApi{pipe: s.pipe}) |
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rpc.HandleHTTP() |
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for { |
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conn, err := s.listener.Accept() |
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if err != nil { |
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logger.Infoln("Error starting JSON-RPC:", err) |
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break |
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} |
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logger.Debugln("Incoming request.") |
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go jsonrpc.ServeConn(conn) |
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} |
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} |
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func NewJsonRpcServer(pipe *ethpipe.JSPipe, port int) (*JsonRpcServer, error) { |
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sport := fmt.Sprintf(":%d", port) |
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l, err := net.Listen("tcp", sport) |
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if err != nil { |
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return nil, err |
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} |
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return &JsonRpcServer{ |
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listener: l, |
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quit: make(chan bool), |
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pipe: pipe, |
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}, nil |
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} |
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