Dennis Won
5 years ago
parent
04682a53b9
commit
b1bc9ea3b6
@ -0,0 +1 @@ |
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The wallet program is the demo wallet which talks to Harmony devnet for various kinds of operations. For detail, please compile and execute ./bin/wallet. |
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@ -0,0 +1,60 @@ |
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package main |
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|
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const ( |
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defaultWalletIni = `[default] |
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bootnode = /ip4/100.26.90.187/tcp/9874/p2p/Qmdfjtk6hPoyrH1zVD9PEH4zfWLo38dP2mDvvKXfh3tnEv |
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bootnode = /ip4/54.213.43.194/tcp/9874/p2p/QmZJJx6AdaoEkGLrYG4JeLCKeCKDjnFz2wfHNHxAqFSGA9 |
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shards = 4 |
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[default.shard0.rpc] |
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rpc = l0.t.hmny.io:14555 |
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rpc = s0.t.hmny.io:14555 |
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[default.shard1.rpc] |
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rpc = l1.t.hmny.io:14555 |
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rpc = s1.t.hmny.io:14555 |
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[default.shard2.rpc] |
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rpc = l2.t.hmny.io:14555 |
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rpc = s2.t.hmny.io:14555 |
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[default.shard3.rpc] |
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rpc = l3.t.hmny.io:14555 |
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rpc = s3.t.hmny.io:14555 |
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[local] |
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bootnode = /ip4/127.0.0.1/tcp/19876/p2p/Qmc1V6W7BwX8Ugb42Ti8RnXF1rY5PF7nnZ6bKBryCgi6cv |
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shards = 2 |
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[local.shard0.rpc] |
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rpc = 127.0.0.1:14555 |
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rpc = 127.0.0.1:14557 |
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rpc = 127.0.0.1:14559 |
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[local.shard1.rpc] |
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rpc = 127.0.0.1:14556 |
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rpc = 127.0.0.1:14558 |
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rpc = 127.0.0.1:14560 |
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[devnet] |
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bootnode = /ip4/100.26.90.187/tcp/9871/p2p/Qmdfjtk6hPoyrH1zVD9PEH4zfWLo38dP2mDvvKXfh3tnEv |
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bootnode = /ip4/54.213.43.194/tcp/9871/p2p/QmRVbTpEYup8dSaURZfF6ByrMTSKa4UyUzJhSjahFzRqNj |
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shards = 4 |
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[devnet.shard0.rpc] |
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rpc = l0.t1.hmny.io:14555 |
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rpc = s0.t1.hmny.io:14555 |
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[devnet.shard1.rpc] |
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rpc = l1.t1.hmny.io:14555 |
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rpc = s1.t1.hmny.io:14555 |
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[devnet.shard2.rpc] |
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rpc = l2.t1.hmny.io:14555 |
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rpc = s2.t1.hmny.io:14555 |
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[devnet.shard3.rpc] |
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rpc = l3.t1.hmny.io:14555 |
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rpc = s3.t1.hmny.io:14555 |
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` |
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) |
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@ -0,0 +1,437 @@ |
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package main |
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import ( |
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"flag" |
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"fmt" |
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"io/ioutil" |
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"math/big" |
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"math/rand" |
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"os" |
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"path" |
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"sync" |
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"time" |
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"github.com/ethereum/go-ethereum/common" |
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"github.com/ethereum/go-ethereum/log" |
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"github.com/harmony-one/harmony/accounts" |
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"github.com/harmony-one/harmony/accounts/keystore" |
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"github.com/harmony-one/harmony/api/client" |
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clientService "github.com/harmony-one/harmony/api/client/service" |
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proto_node "github.com/harmony-one/harmony/api/proto/node" |
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"github.com/harmony-one/harmony/common/denominations" |
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"github.com/harmony-one/harmony/core" |
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"github.com/harmony-one/harmony/core/types" |
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common2 "github.com/harmony-one/harmony/internal/common" |
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nodeconfig "github.com/harmony-one/harmony/internal/configs/node" |
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"github.com/harmony-one/harmony/internal/ctxerror" |
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"github.com/harmony-one/harmony/internal/shardchain" |
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"github.com/harmony-one/harmony/internal/utils" |
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"github.com/harmony-one/harmony/node" |
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"github.com/harmony-one/harmony/p2p" |
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p2p_host "github.com/harmony-one/harmony/p2p/host" |
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"github.com/harmony-one/harmony/p2p/p2pimpl" |
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) |
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var ( |
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version string |
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builtBy string |
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builtAt string |
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commit string |
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) |
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func printVersion(me string) { |
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fmt.Fprintf(os.Stderr, "Harmony (C) 2019. %v, version %v-%v (%v %v)\n", path.Base(me), version, commit, builtBy, builtAt) |
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os.Exit(0) |
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} |
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// AccountState includes the balance and nonce of an account
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type AccountState struct { |
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balance *big.Int |
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nonce uint64 |
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} |
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const ( |
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rpcRetry = 3 |
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defaultConfigFile = ".hmy/wallet.ini" |
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defaultProfile = "default" |
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keystoreDir = ".hmy/keystore" |
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) |
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var ( |
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// Transfer subcommands
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transferCommand = flag.NewFlagSet("transfer", flag.ExitOnError) |
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transferSenderPtr = transferCommand.String("from", "0", "Specify the sender account address or index") |
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transferReceiverPtr = transferCommand.String("to", "", "Specify the receiver account") |
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transferAmountPtr = transferCommand.Float64("amount", 0, "Specify the amount to transfer") |
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transferGasPricePtr = transferCommand.Uint64("gasPrice", 0, "Specify the gas price amount. Unit is Nano.") |
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transferShardIDPtr = transferCommand.Int("shardID", 0, "Specify the shard ID for the transfer") |
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transferInputDataPtr = transferCommand.String("inputData", "", "Base64-encoded input data to embed in the transaction") |
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transferSenderPassPtr = transferCommand.String("pass", "", "Passphrase of the sender's private key") |
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) |
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var ( |
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walletProfile *utils.WalletProfile |
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ks *keystore.KeyStore |
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) |
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// setupLog setup log for verbose output
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func setupLog() { |
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// enable logging for wallet
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h := log.StreamHandler(os.Stdout, log.TerminalFormat(true)) |
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log.Root().SetHandler(h) |
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} |
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// The main wallet program entrance. Note the this wallet program is for demo-purpose only. It does not implement
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// the secure storage of keys.
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func main() { |
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rand.Seed(int64(time.Now().Nanosecond())) |
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// Verify that a subcommand has been provided
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// os.Arg[0] is the main command
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// os.Arg[1] will be the subcommand
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if len(os.Args) < 2 { |
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fmt.Println("Usage:") |
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fmt.Println(" wallet -p profile <action> <params>") |
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fmt.Println(" -p profile - Specify the profile of the wallet, either testnet/devnet or others configured. Default is: testnet") |
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fmt.Println(" The profile is in file:", defaultConfigFile) |
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fmt.Println() |
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fmt.Println("Actions:") |
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fmt.Println(" 1. stressTest - Stress test transactions with corner cases.") |
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os.Exit(1) |
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} |
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ARG: |
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for { |
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lastArg := os.Args[len(os.Args)-1] |
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switch lastArg { |
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case "--verbose": |
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setupLog() |
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os.Args = os.Args[:len(os.Args)-1] |
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default: |
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break ARG |
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} |
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} |
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var profile string |
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if os.Args[1] == "-p" { |
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profile = os.Args[2] |
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os.Args = os.Args[2:] |
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} else { |
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profile = defaultProfile |
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} |
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if len(os.Args) == 1 { |
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fmt.Println("Missing action") |
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flag.PrintDefaults() |
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os.Exit(1) |
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} |
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// create new keystore backend
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scryptN := keystore.StandardScryptN |
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scryptP := keystore.StandardScryptP |
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ks = keystore.NewKeyStore(keystoreDir, scryptN, scryptP) |
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// Switch on the subcommand
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switch os.Args[1] { |
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case "-version": |
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printVersion(os.Args[0]) |
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case "stressTest": |
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readProfile(profile) |
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processStressTestCommand() |
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default: |
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fmt.Printf("Unknown action: %s\n", os.Args[1]) |
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flag.PrintDefaults() |
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os.Exit(1) |
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} |
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} |
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//go:generate go run ../../../scripts/wallet_embed_ini_files.go
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func readProfile(profile string) { |
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fmt.Printf("Using %s profile for wallet\n", profile) |
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// try to load .hmy/wallet.ini from filesystem
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// use default_wallet_ini if .hmy/wallet.ini doesn't exist
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var err error |
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var iniBytes []byte |
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iniBytes, err = ioutil.ReadFile(defaultConfigFile) |
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if err != nil { |
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log.Debug(fmt.Sprintf("%s doesn't exist, using default ini\n", defaultConfigFile)) |
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iniBytes = []byte(defaultWalletIni) |
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} |
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walletProfile, err = utils.ReadWalletProfile(iniBytes, profile) |
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if err != nil { |
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fmt.Printf("Read wallet profile error: %v\nExiting ...\n", err) |
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os.Exit(2) |
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} |
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} |
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// createWalletNode creates wallet server node.
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func createWalletNode() *node.Node { |
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bootNodeAddrs, err := utils.StringsToAddrs(walletProfile.Bootnodes) |
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if err != nil { |
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panic(err) |
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} |
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utils.BootNodes = bootNodeAddrs |
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shardID := 0 |
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// dummy host for wallet
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// TODO: potentially, too many dummy IP may flush out good IP address from our bootnode DHT
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// we need to understand the impact to bootnode DHT with this dummy host ip added
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self := p2p.Peer{IP: "127.0.0.1", Port: "6999"} |
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priKey, _, _ := utils.GenKeyP2P("127.0.0.1", "6999") |
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host, err := p2pimpl.NewHost(&self, priKey) |
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if err != nil { |
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panic(err) |
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} |
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chainDBFactory := &shardchain.MemDBFactory{} |
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w := node.New(host, nil, chainDBFactory, false) |
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w.Client = client.NewClient(w.GetHost(), uint32(shardID)) |
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w.NodeConfig.SetRole(nodeconfig.ClientNode) |
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w.ServiceManagerSetup() |
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w.RunServices() |
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return w |
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} |
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// ./bin/wallet -p local transfer
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// --from one1uyshu2jgv8w465yc8kkny36thlt2wvel89tcmg
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// --to one1spshr72utf6rwxseaz339j09ed8p6f8ke370zj
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// --amount 1 --shardID 1
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func processStressTestCommand() { |
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/* |
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Account 17: |
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Address: one1spshr72utf6rwxseaz339j09ed8p6f8ke370zj |
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Balance in Shard 0: x.xxx, nonce: 0 |
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Balance in Shard 1: 0.0000, nonce: 0 |
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Account 18: |
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Address: one1uyshu2jgv8w465yc8kkny36thlt2wvel89tcmg |
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Balance in Shard 0: 0.0000, nonce: 0 |
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Balance in Shard 1: x.xxx, nonce: 0 |
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*/ |
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senderAddress := common2.ParseAddr("one1uyshu2jgv8w465yc8kkny36thlt2wvel89tcmg") |
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receiverAddress := common2.ParseAddr("one1spshr72utf6rwxseaz339j09ed8p6f8ke370zj") |
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shardID := 1 |
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walletNode := createWalletNode() |
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shardIDToAccountState := FetchBalance(senderAddress) |
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state := shardIDToAccountState[shardID] |
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balance := state.balance |
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// amount 1/10th of the balance
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amountBigInt := balance.Div(balance, big.NewInt(10)) |
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// default inputData
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data := make([]byte, 0) |
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gasLimit, _ := core.IntrinsicGas(data, false, true) |
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gasPrice := 0 |
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gasPriceBigInt := big.NewInt(int64(gasPrice)) |
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gasPriceBigInt = gasPriceBigInt.Mul(gasPriceBigInt, big.NewInt(denominations.Nano)) |
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senderPass := "" |
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for i := 0; i < 4; i++ { |
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currNonce := state.nonce |
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tx := types.NewTransaction( |
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currNonce, receiverAddress, uint32(shardID), amountBigInt, |
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gasLimit, gasPriceBigInt, data) |
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account, _ := ks.Find(accounts.Account{Address: senderAddress}) |
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ks.Unlock(account, senderPass) |
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tx, _ = ks.SignTx(account, tx, nil) |
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if err := submitTransaction(tx, walletNode, uint32(shardID)); err != nil { |
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fmt.Println(ctxerror.New("submitTransaction failed", |
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"tx", tx, "shardID", shardID).WithCause(err)) |
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} |
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for retry := 0; retry < 10; retry++ { |
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accountStates := FetchBalance(senderAddress) |
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state = accountStates[shardID] |
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fmt.Println("state.nonce", state.nonce) |
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if state.nonce == currNonce+1 { |
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break |
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} |
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time.Sleep(3 * time.Second) |
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} |
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} |
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fmt.Printf("Sender Account: %s:\n", common2.MustAddressToBech32(senderAddress)) |
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for shardID, balanceNonce := range FetchBalance(senderAddress) { |
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fmt.Printf(" Balance in Shard %d: %s, nonce: %v \n", shardID, convertBalanceIntoReadableFormat(balanceNonce.balance), balanceNonce.nonce) |
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} |
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} |
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func convertBalanceIntoReadableFormat(balance *big.Int) string { |
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balance = balance.Div(balance, big.NewInt(denominations.Nano)) |
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strBalance := fmt.Sprintf("%d", balance.Uint64()) |
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bytes := []byte(strBalance) |
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hasDecimal := false |
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for i := 0; i < 11; i++ { |
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if len(bytes)-1-i < 0 { |
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bytes = append([]byte{'0'}, bytes...) |
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} |
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if bytes[len(bytes)-1-i] != '0' && i < 9 { |
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hasDecimal = true |
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} |
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if i == 9 { |
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newBytes := append([]byte{'.'}, bytes[len(bytes)-i:]...) |
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bytes = append(bytes[:len(bytes)-i], newBytes...) |
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} |
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} |
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zerosToRemove := 0 |
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for i := 0; i < len(bytes); i++ { |
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if hasDecimal { |
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if bytes[len(bytes)-1-i] == '0' { |
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bytes = bytes[:len(bytes)-1-i] |
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i-- |
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} else { |
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break |
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} |
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} else { |
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if zerosToRemove < 5 { |
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bytes = bytes[:len(bytes)-1-i] |
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i-- |
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zerosToRemove++ |
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} else { |
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break |
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} |
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} |
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} |
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return string(bytes) |
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} |
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// FetchBalance fetches account balance of specified address from the Harmony network
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func FetchBalance(address common.Address) []*AccountState { |
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result := []*AccountState{} |
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for shardID := 0; shardID < walletProfile.Shards; shardID++ { |
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// Fill in nil pointers for each shard; nil represent failed balance fetch.
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result = append(result, nil) |
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} |
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var wg sync.WaitGroup |
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wg.Add(walletProfile.Shards) |
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for shardID := 0; shardID < walletProfile.Shards; shardID++ { |
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go func(shardID int) { |
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defer wg.Done() |
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balance := big.NewInt(0) |
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var nonce uint64 |
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result[uint32(shardID)] = &AccountState{balance, 0} |
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var wgShard sync.WaitGroup |
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wgShard.Add(len(walletProfile.RPCServer[shardID])) |
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var mutexAccountState = &sync.Mutex{} |
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for rpcServerID := 0; rpcServerID < len(walletProfile.RPCServer[shardID]); rpcServerID++ { |
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go func(rpcServerID int) { |
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for retry := 0; retry < rpcRetry; retry++ { |
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server := walletProfile.RPCServer[shardID][rpcServerID] |
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client, err := clientService.NewClient(server.IP, server.Port) |
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if err != nil { |
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continue |
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} |
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log.Debug("FetchBalance", "server", server) |
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response, err := client.GetBalance(address) |
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if err != nil { |
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log.Info("failed to get balance, retrying ...") |
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time.Sleep(200 * time.Millisecond) |
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continue |
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} |
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log.Debug("FetchBalance", "response", response) |
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respBalance := big.NewInt(0) |
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respBalance.SetBytes(response.Balance) |
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mutexAccountState.Lock() |
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if balance.Cmp(respBalance) < 0 { |
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balance.SetBytes(response.Balance) |
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nonce = response.Nonce |
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} |
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mutexAccountState.Unlock() |
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break |
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} |
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wgShard.Done() |
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}(rpcServerID) |
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} |
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wgShard.Wait() |
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result[shardID] = &AccountState{balance, nonce} |
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}(shardID) |
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} |
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wg.Wait() |
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return result |
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} |
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// GetFreeToken requests for token test token on each shard
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func GetFreeToken(address common.Address) { |
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for i := 0; i < walletProfile.Shards; i++ { |
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// use the 1st server (leader) to make the getFreeToken call
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server := walletProfile.RPCServer[i][0] |
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client, err := clientService.NewClient(server.IP, server.Port) |
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if err != nil { |
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continue |
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} |
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log.Debug("GetFreeToken", "server", server) |
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for retry := 0; retry < rpcRetry; retry++ { |
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response, err := client.GetFreeToken(address) |
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if err != nil { |
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log.Info("failed to get free token, retrying ...") |
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time.Sleep(200 * time.Millisecond) |
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continue |
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} |
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log.Debug("GetFreeToken", "response", response) |
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txID := common.Hash{} |
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txID.SetBytes(response.TxId) |
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fmt.Printf("Transaction Id requesting free token in shard %d: %s\n", i, txID.Hex()) |
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break |
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} |
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} |
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} |
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// clearKeystore deletes all data in the local keystore
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func clearKeystore() { |
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dir, err := ioutil.ReadDir(keystoreDir) |
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if err != nil { |
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panic("Failed to read keystore directory") |
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} |
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for _, d := range dir { |
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subdir := path.Join([]string{keystoreDir, d.Name()}...) |
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if err := os.RemoveAll(subdir); err != nil { |
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fmt.Println(ctxerror.New("cannot remove directory", |
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"path", subdir).WithCause(err)) |
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} |
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} |
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fmt.Println("All existing accounts deleted...") |
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} |
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// submitTransaction submits the transaction to the Harmony network
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func submitTransaction(tx *types.Transaction, walletNode *node.Node, shardID uint32) error { |
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msg := proto_node.ConstructTransactionListMessageAccount(types.Transactions{tx}) |
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clientGroup := p2p.NewClientGroupIDByShardID(p2p.ShardID(shardID)) |
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err := walletNode.GetHost().SendMessageToGroups([]p2p.GroupID{clientGroup}, p2p_host.ConstructP2pMessage(byte(0), msg)) |
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if err != nil { |
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fmt.Printf("Error in SubmitTransaction: %v\n", err) |
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return err |
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} |
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fmt.Printf("Transaction Id for shard %d: %s\n", int(shardID), tx.Hash().Hex()) |
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// FIXME (leo): how to we know the tx was successful sent to the network
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// this is a hacky way to wait for sometime
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||||
time.Sleep(3 * time.Second) |
||||
return nil |
||||
} |
||||
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Reference in new issue