go-ethereum

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Published: May 24, 2016 License: GPL-3.0

README

Ethereum Go

Official golang implementation of the Ethereum protocol

      | Linux   | OSX | ARM | Windows | Tests

----------|---------|-----|-----|---------|------ develop | | | | | codecov.io master | | | | | codecov.io

API Reference Gitter

Automated development builds

The following builds are build automatically by our build servers after each push to the develop branch.

Building the source

For prerequisites and detailed build instructions please read the Installation Instructions on the wiki.

Building geth requires both a Go and a C compiler. You can install them using your favourite package manager. Once the dependencies are installed, run

make geth

Executables

The go-ethereum project comes with several wrappers/executables found in the cmd directory.

Command Description
geth Our main Ethereum CLI client. It is the entry point into the Ethereum network (main-, test- or private net), capable of running as a full node (default) archive node (retaining all historical state) or a light node (retrieving data live). It can be used by other processes as an gateway into the Ethereum network via JSON RPC endpoints exposed on top of HTTP, WebSocket and/or IPC transports. Please see our Command Line Options wiki page for details.
abigen Source code generator to convert Ethereum contract definitions into easy to use, compile-time type-safe Go packages. It operates on plain Ethereum contract ABIs with expanded functionality if the contract bytecode is also available. However it also accepts Solidity source files, making development much more streamlined. Please see our Native DApps wiki page for details.
bootnode Stripped down version of our Ethereum client implementation that only takes part in the network node discovery protocol, but does not run any of the higher level application protocols. It can be used as a lightweight bootstrap node to aid in finding peers in private networks.
disasm Bytecode disassembler to convert EVM (Ethereum Virtual Machine) bytecode into more user friendly assembly-like opcodes (e.g. `echo "6001"
evm Developer utility version of the EVM (Ethereum Virtual Machine) that is capable of running bytecode snippets within a configurable environment and execution mode. Its purpose is to allow insolated, fine graned debugging of EVM opcodes (e.g. evm --code 60ff60ff --debug).
gethrpctest Developer utility tool to support our ethereum/rpc-test test suite which validates baseline conformity to the Ethereum JSON RPC specs. Please see the test suite's readme for details.
rlpdump Developer utility tool to convert binary RLP (Recursive Length Prefix) dumps (data encoding used by the Ethereum protocol both network as well as consensus wise) to user friendlier hierarchical representation (e.g. rlpdump --hex CE0183FFFFFFC4C304050583616263).

Contribution

Thank you for considering to help out with the source code! We welcome contributions from anyone on the internet, and are grateful for even the smallest of fixes!

If you'd like to contribute to go-ethereum, please fork, fix, commit and send a pull request for the maintainers to review and merge into the main code base. If you wish to submit more complex changes though, please check up with the core devs first on our gitter channel to ensure those changes are in line with the general philosopy of the project and/or get some early feedback which can make both your efforts much lighter as well as our review and merge procedures quick and simple.

Please make sure your contributions adhere to our coding guidlines:

  • Code must adhere to the official Go formatting guidelines (i.e. uses gofmt).
  • Code must be documented adherign to the official Go commentary guidelines.
  • Pull requests need to be based on and opened against the develop branch.
  • Commit messages should be prefixed with the package(s) they modify.
    • E.g. "eth, rpc: make trace configs optional"

Please see the Developers' Guide for more details on configuring your environment, managing project dependencies and testing procedures.

License

The go-ethereum library (i.e. all code outside of the cmd directory) is licensed under the GNU Lesser General Public License v3.0, also included in our repository in the COPYING.LESSER file.

The go-ethereum binaries (i.e. all code inside of the cmd directory) is licensed under the GNU General Public License v3.0, also included in our repository in the COPYING file.

Directories

Path Synopsis
Godeps
_workspace/src/github.com/Gustav-Simonsson/go-opencl/cl
Package cl provides a binding to the OpenCL api.
Package cl provides a binding to the OpenCL api.
_workspace/src/github.com/cespare/cp
Package cp offers simple file and directory copying for Go.
Package cp offers simple file and directory copying for Go.
_workspace/src/github.com/codegangsta/cli
Package cli provides a minimal framework for creating and organizing command line Go applications.
Package cli provides a minimal framework for creating and organizing command line Go applications.
_workspace/src/github.com/davecgh/go-spew/spew
Package spew implements a deep pretty printer for Go data structures to aid in debugging.
Package spew implements a deep pretty printer for Go data structures to aid in debugging.
_workspace/src/github.com/fatih/color
Package color is an ANSI color package to output colorized or SGR defined output to the standard output.
Package color is an ANSI color package to output colorized or SGR defined output to the standard output.
_workspace/src/github.com/gizak/termui
Package termui is a library designed for creating command line UI.
Package termui is a library designed for creating command line UI.
_workspace/src/github.com/golang/snappy
Package snappy implements the snappy block-based compression format.
Package snappy implements the snappy block-based compression format.
_workspace/src/github.com/hashicorp/golang-lru
This package provides a simple LRU cache.
This package provides a simple LRU cache.
_workspace/src/github.com/huin/goupnp
goupnp is an implementation of a client for various UPnP services.
goupnp is an implementation of a client for various UPnP services.
_workspace/src/github.com/huin/goupnp/dcps/av1
Client for UPnP Device Control Protocol MediaServer v1 and MediaRenderer v1.
Client for UPnP Device Control Protocol MediaServer v1 and MediaRenderer v1.
_workspace/src/github.com/huin/goupnp/dcps/internetgateway1
Client for UPnP Device Control Protocol Internet Gateway Device v1.
Client for UPnP Device Control Protocol Internet Gateway Device v1.
_workspace/src/github.com/huin/goupnp/dcps/internetgateway2
Client for UPnP Device Control Protocol Internet Gateway Device v2.
Client for UPnP Device Control Protocol Internet Gateway Device v2.
_workspace/src/github.com/huin/goupnp/example
Serves as examples of using the goupnp library.
Serves as examples of using the goupnp library.
_workspace/src/github.com/mattn/go-isatty
Package isatty implements interface to isatty
Package isatty implements interface to isatty
_workspace/src/github.com/nsf/termbox-go
termbox is a library for creating cross-platform text-based interfaces
termbox is a library for creating cross-platform text-based interfaces
_workspace/src/github.com/pborman/uuid
The uuid package generates and inspects UUIDs.
The uuid package generates and inspects UUIDs.
_workspace/src/github.com/peterh/liner
Package liner implements a simple command line editor, inspired by linenoise (https://github.com/antirez/linenoise/).
Package liner implements a simple command line editor, inspired by linenoise (https://github.com/antirez/linenoise/).
_workspace/src/github.com/rcrowley/go-metrics
Go port of Coda Hale's Metrics library <https://github.com/rcrowley/go-metrics> Coda Hale's original work: <https://github.com/codahale/metrics>
Go port of Coda Hale's Metrics library <https://github.com/rcrowley/go-metrics> Coda Hale's original work: <https://github.com/codahale/metrics>
_workspace/src/github.com/rcrowley/go-metrics/exp
Hook go-metrics into expvar on any /debug/metrics request, load all vars from the registry into expvar, and execute regular expvar handler
Hook go-metrics into expvar on any /debug/metrics request, load all vars from the registry into expvar, and execute regular expvar handler
Metrics output to StatHat.
_workspace/src/github.com/rjeczalik/notify
Package notify implements access to filesystem events.
Package notify implements access to filesystem events.
_workspace/src/github.com/robertkrimen/otto
Package otto is a JavaScript parser and interpreter written natively in Go.
Package otto is a JavaScript parser and interpreter written natively in Go.
_workspace/src/github.com/robertkrimen/otto/ast
Package ast declares types representing a JavaScript AST.
Package ast declares types representing a JavaScript AST.
_workspace/src/github.com/robertkrimen/otto/dbg
Package dbg is a println/printf/log-debugging utility library.
Package dbg is a println/printf/log-debugging utility library.
_workspace/src/github.com/robertkrimen/otto/file
Package file encapsulates the file abstractions used by the ast & parser.
Package file encapsulates the file abstractions used by the ast & parser.
_workspace/src/github.com/robertkrimen/otto/parser
Package parser implements a parser for JavaScript.
Package parser implements a parser for JavaScript.
_workspace/src/github.com/robertkrimen/otto/registry
Package registry is an expirmental package to facillitate altering the otto runtime via import.
Package registry is an expirmental package to facillitate altering the otto runtime via import.
_workspace/src/github.com/robertkrimen/otto/repl
Package repl implements a REPL (read-eval-print loop) for otto.
Package repl implements a REPL (read-eval-print loop) for otto.
_workspace/src/github.com/robertkrimen/otto/terst
Package terst is a terse (terst = test + terse), easy-to-use testing library for Go.
Package terst is a terse (terst = test + terse), easy-to-use testing library for Go.
_workspace/src/github.com/robertkrimen/otto/token
Package token defines constants representing the lexical tokens of JavaScript (ECMA5).
Package token defines constants representing the lexical tokens of JavaScript (ECMA5).
_workspace/src/github.com/robertkrimen/otto/underscore
Package underscore contains the source for the JavaScript utility-belt library.
Package underscore contains the source for the JavaScript utility-belt library.
_workspace/src/github.com/rs/cors
Package cors is net/http handler to handle CORS related requests as defined by http://www.w3.org/TR/cors/ You can configure it by passing an option struct to cors.New: c := cors.New(cors.Options{ AllowedOrigins: []string{"foo.com"}, AllowedMethods: []string{"GET", "POST", "DELETE"}, AllowCredentials: true, }) Then insert the handler in the chain: handler = c.Handler(handler) See Options documentation for more options.
Package cors is net/http handler to handle CORS related requests as defined by http://www.w3.org/TR/cors/ You can configure it by passing an option struct to cors.New: c := cors.New(cors.Options{ AllowedOrigins: []string{"foo.com"}, AllowedMethods: []string{"GET", "POST", "DELETE"}, AllowCredentials: true, }) Then insert the handler in the chain: handler = c.Handler(handler) See Options documentation for more options.
_workspace/src/github.com/rs/xhandler
Package xhandler provides a bridge between http.Handler and net/context.
Package xhandler provides a bridge between http.Handler and net/context.
_workspace/src/github.com/syndtr/goleveldb/leveldb
Package leveldb provides implementation of LevelDB key/value database.
Package leveldb provides implementation of LevelDB key/value database.
_workspace/src/github.com/syndtr/goleveldb/leveldb/cache
Package cache provides interface and implementation of a cache algorithms.
Package cache provides interface and implementation of a cache algorithms.
_workspace/src/github.com/syndtr/goleveldb/leveldb/comparer
Package comparer provides interface and implementation for ordering sets of data.
Package comparer provides interface and implementation for ordering sets of data.
_workspace/src/github.com/syndtr/goleveldb/leveldb/errors
Package errors provides common error types used throughout leveldb.
Package errors provides common error types used throughout leveldb.
_workspace/src/github.com/syndtr/goleveldb/leveldb/filter
Package filter provides interface and implementation of probabilistic data structure.
Package filter provides interface and implementation of probabilistic data structure.
_workspace/src/github.com/syndtr/goleveldb/leveldb/iterator
Package iterator provides interface and implementation to traverse over contents of a database.
Package iterator provides interface and implementation to traverse over contents of a database.
_workspace/src/github.com/syndtr/goleveldb/leveldb/journal
Package journal reads and writes sequences of journals.
Package journal reads and writes sequences of journals.
_workspace/src/github.com/syndtr/goleveldb/leveldb/memdb
Package memdb provides in-memory key/value database implementation.
Package memdb provides in-memory key/value database implementation.
_workspace/src/github.com/syndtr/goleveldb/leveldb/opt
Package opt provides sets of options used by LevelDB.
Package opt provides sets of options used by LevelDB.
_workspace/src/github.com/syndtr/goleveldb/leveldb/storage
Package storage provides storage abstraction for LevelDB.
Package storage provides storage abstraction for LevelDB.
_workspace/src/github.com/syndtr/goleveldb/leveldb/table
Package table allows read and write sorted key/value.
Package table allows read and write sorted key/value.
_workspace/src/github.com/syndtr/goleveldb/leveldb/util
Package util provides utilities used throughout leveldb.
Package util provides utilities used throughout leveldb.
_workspace/src/golang.org/x/crypto/pbkdf2
Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
_workspace/src/golang.org/x/crypto/ripemd160
Package ripemd160 implements the RIPEMD-160 hash algorithm.
Package ripemd160 implements the RIPEMD-160 hash algorithm.
_workspace/src/golang.org/x/crypto/scrypt
Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (http://www.tarsnap.com/scrypt/scrypt.pdf).
Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (http://www.tarsnap.com/scrypt/scrypt.pdf).
_workspace/src/golang.org/x/net/context
Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes.
Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes.
_workspace/src/golang.org/x/net/context/ctxhttp
Package ctxhttp provides helper functions for performing context-aware HTTP requests.
Package ctxhttp provides helper functions for performing context-aware HTTP requests.
_workspace/src/golang.org/x/net/html
Package html implements an HTML5-compliant tokenizer and parser.
Package html implements an HTML5-compliant tokenizer and parser.
_workspace/src/golang.org/x/net/html/atom
Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".
Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".
_workspace/src/golang.org/x/net/html/charset
Package charset provides common text encodings for HTML documents.
Package charset provides common text encodings for HTML documents.
_workspace/src/golang.org/x/net/websocket
Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.
Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.
_workspace/src/golang.org/x/sys/unix
Package unix contains an interface to the low-level operating system primitives.
Package unix contains an interface to the low-level operating system primitives.
_workspace/src/golang.org/x/text/encoding
Package encoding defines an interface for character encodings, such as Shift JIS and Windows 1252, that can convert to and from UTF-8.
Package encoding defines an interface for character encodings, such as Shift JIS and Windows 1252, that can convert to and from UTF-8.
_workspace/src/golang.org/x/text/encoding/charmap
Package charmap provides simple character encodings such as IBM Code Page 437 and Windows 1252.
Package charmap provides simple character encodings such as IBM Code Page 437 and Windows 1252.
_workspace/src/golang.org/x/text/encoding/htmlindex
Package htmlindex maps character set encoding names to Encodings as recommended by the W3C for use in HTML 5.
Package htmlindex maps character set encoding names to Encodings as recommended by the W3C for use in HTML 5.
_workspace/src/golang.org/x/text/encoding/ianaindex
Package ianaindex maps names to Encodings as specified by the IANA registry.
Package ianaindex maps names to Encodings as specified by the IANA registry.
_workspace/src/golang.org/x/text/encoding/internal
Package internal contains code that is shared among encoding implementations.
Package internal contains code that is shared among encoding implementations.
_workspace/src/golang.org/x/text/encoding/internal/identifier
Package identifier defines the contract between implementations of Encoding and Index by defining identifiers that uniquely identify standardized coded character sets (CCS) and character encoding schemes (CES), which we will together refer to as encodings, for which Encoding implementations provide converters to and from UTF-8.
Package identifier defines the contract between implementations of Encoding and Index by defining identifiers that uniquely identify standardized coded character sets (CCS) and character encoding schemes (CES), which we will together refer to as encodings, for which Encoding implementations provide converters to and from UTF-8.
_workspace/src/golang.org/x/text/encoding/japanese
Package japanese provides Japanese encodings such as EUC-JP and Shift JIS.
Package japanese provides Japanese encodings such as EUC-JP and Shift JIS.
_workspace/src/golang.org/x/text/encoding/korean
Package korean provides Korean encodings such as EUC-KR.
Package korean provides Korean encodings such as EUC-KR.
_workspace/src/golang.org/x/text/encoding/simplifiedchinese
Package simplifiedchinese provides Simplified Chinese encodings such as GBK.
Package simplifiedchinese provides Simplified Chinese encodings such as GBK.
_workspace/src/golang.org/x/text/encoding/traditionalchinese
Package traditionalchinese provides Traditional Chinese encodings such as Big5.
Package traditionalchinese provides Traditional Chinese encodings such as Big5.
_workspace/src/golang.org/x/text/encoding/unicode
Package unicode provides Unicode encodings such as UTF-16.
Package unicode provides Unicode encodings such as UTF-16.
_workspace/src/golang.org/x/text/internal/tag
Package tag contains functionality handling tags and related data.
Package tag contains functionality handling tags and related data.
_workspace/src/golang.org/x/text/internal/utf8internal
Package utf8internal contains low-level utf8-related constants, tables, etc.
Package utf8internal contains low-level utf8-related constants, tables, etc.
_workspace/src/golang.org/x/text/language
Package language implements BCP 47 language tags and related functionality.
Package language implements BCP 47 language tags and related functionality.
_workspace/src/golang.org/x/text/language/display
Package display provides display names for languages, scripts and regions in a requested language.
Package display provides display names for languages, scripts and regions in a requested language.
_workspace/src/golang.org/x/text/runes
Package runes provide transforms for UTF-8 encoded text.
Package runes provide transforms for UTF-8 encoded text.
_workspace/src/golang.org/x/text/transform
Package transform provides reader and writer wrappers that transform the bytes passing through as well as various transformations.
Package transform provides reader and writer wrappers that transform the bytes passing through as well as various transformations.
_workspace/src/golang.org/x/tools/go/ast/astutil
Package astutil contains common utilities for working with the Go AST.
Package astutil contains common utilities for working with the Go AST.
_workspace/src/golang.org/x/tools/imports
Package imports implements a Go pretty-printer (like package "go/format") that also adds or removes import statements as necessary.
Package imports implements a Go pretty-printer (like package "go/format") that also adds or removes import statements as necessary.
_workspace/src/gopkg.in/check.v1
Package check is a rich testing extension for Go's testing package.
Package check is a rich testing extension for Go's testing package.
_workspace/src/gopkg.in/fatih/set.v0
Package set provides both threadsafe and non-threadsafe implementations of a generic set data structure.
Package set provides both threadsafe and non-threadsafe implementations of a generic set data structure.
_workspace/src/gopkg.in/karalabe/cookiejar.v2/collections/prque
Package prque implements a priority queue data structure supporting arbitrary value types and float priorities.
Package prque implements a priority queue data structure supporting arbitrary value types and float priorities.
Package accounts implements encrypted storage of secp256k1 private keys.
Package accounts implements encrypted storage of secp256k1 private keys.
abi
Package abi implements the Ethereum ABI (Application Binary Interface).
Package abi implements the Ethereum ABI (Application Binary Interface).
abi/bind
Package bind generates Ethereum contract Go bindings.
Package bind generates Ethereum contract Go bindings.
cmd
bootnode
bootnode runs a bootstrap node for the Ethereum Discovery Protocol.
bootnode runs a bootstrap node for the Ethereum Discovery Protocol.
disasm
disasm is a pretty-printer for EVM bytecode.
disasm is a pretty-printer for EVM bytecode.
ethtest
ethtest executes Ethereum JSON tests.
ethtest executes Ethereum JSON tests.
evm
evm executes EVM code snippets.
evm executes EVM code snippets.
geth
geth is the official command-line client for Ethereum.
geth is the official command-line client for Ethereum.
gethrpctest
gethrpctest is a command to run the external RPC tests.
gethrpctest is a command to run the external RPC tests.
rlpdump
rlpdump is a pretty-printer for RLP data.
rlpdump is a pretty-printer for RLP data.
utils
Package utils contains internal helper functions for go-ethereum commands.
Package utils contains internal helper functions for go-ethereum commands.
Package common contains various helper functions.
Package common contains various helper functions.
compression
rle
Package rle implements the run-length encoding used for Ethereum data.
Package rle implements the run-length encoding used for Ethereum data.
Package core implements the Ethereum consensus protocol.
Package core implements the Ethereum consensus protocol.
state
Package state provides a caching layer atop the Ethereum state trie.
Package state provides a caching layer atop the Ethereum state trie.
types
Package types contains data types related to Ethereum consensus.
Package types contains data types related to Ethereum consensus.
vm
Package vm implements the Ethereum Virtual Machine.
Package vm implements the Ethereum Virtual Machine.
vm/runtime
Package runtime provides a basic execution model for executing EVM code.
Package runtime provides a basic execution model for executing EVM code.
sha3
Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202.
Package sha3 implements the SHA-3 fixed-output-length hash functions and the SHAKE variable-output-length hash functions defined by FIPS-202.
eth
Package eth implements the Ethereum protocol.
Package eth implements the Ethereum protocol.
downloader
Package downloader contains the manual full chain synchronisation.
Package downloader contains the manual full chain synchronisation.
fetcher
Package fetcher contains the block announcement based synchronisation.
Package fetcher contains the block announcement based synchronisation.
filters
package filters implements an ethereum filtering system for block, transactions and log events.
package filters implements an ethereum filtering system for block, transactions and log events.
Package event implements an event multiplexer.
Package event implements an event multiplexer.
filter
Package filter implements event filters.
Package filter implements event filters.
internal
debug
Package debug interfaces Go runtime debugging facilities.
Package debug interfaces Go runtime debugging facilities.
web3ext
package web3ext contains geth specific web3.js extensions.
package web3ext contains geth specific web3.js extensions.
Package jsre provides execution environment for JavaScript.
Package jsre provides execution environment for JavaScript.
Package light implements on-demand retrieval capable state and chain objects for the Ethereum Light Client.
Package light implements on-demand retrieval capable state and chain objects for the Ethereum Light Client.
Package logger implements a multi-output leveled logger.
Package logger implements a multi-output leveled logger.
glog
Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
Package metrics provides general system and process level metrics collection.
Package metrics provides general system and process level metrics collection.
Package miner implements Ethereum block creation and mining.
Package miner implements Ethereum block creation and mining.
Package node represents the Ethereum protocol stack container.
Package node represents the Ethereum protocol stack container.
p2p
Package p2p implements the Ethereum p2p network protocols.
Package p2p implements the Ethereum p2p network protocols.
discover
Package discover implements the Node Discovery Protocol.
Package discover implements the Node Discovery Protocol.
nat
Package nat provides access to common network port mapping protocols.
Package nat provides access to common network port mapping protocols.
pow
ezp
Package release contains the node service that tracks client releases.
Package release contains the node service that tracks client releases.
Package rlp implements the RLP serialization format.
Package rlp implements the RLP serialization format.
Package rpc provides access to the exported methods of an object across a network or other I/O connection.
Package rpc provides access to the exported methods of an object across a network or other I/O connection.
Package tests implements execution of Ethereum JSON tests.
Package tests implements execution of Ethereum JSON tests.
Package trie implements Merkle Patricia Tries.
Package trie implements Merkle Patricia Tries.
Package whisper implements the Whisper PoC-1.
Package whisper implements the Whisper PoC-1.

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