diff options
Diffstat (limited to 'accounts/abi/bind/template.go')
| -rw-r--r-- | accounts/abi/bind/template.go | 115 |
1 files changed, 112 insertions, 3 deletions
diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go index 523122213..7225794a1 100644 --- a/accounts/abi/bind/template.go +++ b/accounts/abi/bind/template.go @@ -42,9 +42,16 @@ type tmplMethod struct { Structured bool // Whether the returns should be accumulated into a contract } -// tmplSource is the Go source template use to generate the contract binding +// tmplSource is language to template mapping containing all the supported +// programming languages the package can generate to. +var tmplSource = map[Lang]string{ + LangGo: tmplSourceGo, + LangJava: tmplSourceJava, +} + +// tmplSourceGo is the Go source template use to generate the contract binding // based on. -const tmplSource = ` +const tmplSourceGo = ` // This file is an automatically generated Go binding. Do not modify as any // change will likely be lost upon the next re-generation! @@ -52,7 +59,7 @@ package {{.Package}} {{range $contract := .Contracts}} // {{.Type}}ABI is the input ABI used to generate the binding from. - const {{.Type}}ABI = ` + "`" + `{{.InputABI}}` + "`" + ` + const {{.Type}}ABI = "{{.InputABI}}" {{if .InputBin}} // {{.Type}}Bin is the compiled bytecode used for deploying new contracts. @@ -258,3 +265,105 @@ package {{.Package}} {{end}} {{end}} ` + +// tmplSourceJava is the Java source template use to generate the contract binding +// based on. +const tmplSourceJava = ` +// This file is an automatically generated Java binding. Do not modify as any +// change will likely be lost upon the next re-generation! + +package {{.Package}}; + +import org.ethereum.geth.*; +import org.ethereum.geth.internal.*; + +{{range $contract := .Contracts}} + public class {{.Type}} { + // ABI is the input ABI used to generate the binding from. + public final static String ABI = "{{.InputABI}}"; + + {{if .InputBin}} + // Bytecode is the compiled bytecode used for deploying new contracts. + public final static byte[] Bytecode = "{{.InputBin}}".getBytes(); + + // deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it. + public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception { + Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}}); + {{range $index, $element := .Constructor.Inputs}} + args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}}); + {{end}} + return new {{.Type}}(Geth.deployContract(auth, ABI, Bytecode, client, args)); + } + + // Internal constructor used by contract deployment. + private {{.Type}}(BoundContract deployment) { + this.Address = deployment.getAddress(); + this.Deployer = deployment.getDeployer(); + this.Contract = deployment; + } + {{end}} + + // Ethereum address where this contract is located at. + public final Address Address; + + // Ethereum transaction in which this contract was deployed (if known!). + public final Transaction Deployer; + + // Contract instance bound to a blockchain address. + private final BoundContract Contract; + + // Creates a new instance of {{.Type}}, bound to a specific deployed contract. + public {{.Type}}(Address address, EthereumClient client) throws Exception { + this(Geth.bindContract(address, ABI, client)); + } + + {{range .Calls}} + {{if gt (len .Normalized.Outputs) 1}} + // {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}. + public class {{capitalise .Normalized.Name}}Results { + {{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}}; + {{end}} + } + {{end}} + + // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.Id}}. + // + // Solidity: {{.Original.String}} + public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception { + Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}}); + {{range $index, $item := .Normalized.Inputs}}args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}}); + {{end}} + + Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}}); + {{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type) .Type}}(); results.set({{$index}}, result{{$index}}); + {{end}} + + if (opts == null) { + opts = Geth.newCallOpts(); + } + this.Contract.call(opts, results, "{{.Original.Name}}", args); + {{if gt (len .Normalized.Outputs) 1}} + {{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results(); + {{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type) .Type}}(); + {{end}} + return result; + {{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type) .Type}}();{{end}} + {{end}} + } + {{end}} + + {{range .Transacts}} + // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.Id}}. + // + // Solidity: {{.Original.String}} + public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type}} {{.Name}}{{end}}) throws Exception { + Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}}); + {{range $index, $item := .Normalized.Inputs}}args.set({{$index}}, Geth.newInterface()); args.get({{$index}}).set{{namedtype (bindtype .Type) .Type}}({{.Name}}); + {{end}} + + return this.Contract.transact(opts, "{{.Original.Name}}" , args); + } + {{end}} + } +{{end}} +` |