Custom Test Network for Ethereum

attach_console.sh

#!/bin/sh

geth attach ~/testnet/data/geth.ipc

CustomGenesis.json

{
	"nonce": "0x0000000000000042",
	"timestamp": "0x0",
	"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
	"extraData": "0x0",
	"gasLimit": "0x8000000",
	"difficulty": "0x400",
	"mixhash": "0x0000000000000000000000000000000000000000000000000000000000000000",
	"coinbase": "0x3333333333333333333333333333333333333333",
	"alloc": {
	}
}

run.sh

#!/bin/sh

geth \
--identity "TestNet" \
--dev \
--rpc \
--rpcport "8000" \
--rpcaddr "192.168.1.13" \
--rpccorsdomain "*" \
--datadir "~/testnet/data" \
--port "30303" \
--nodiscover \
#--ipcapi "admin,db,eth,debug,miner,net,shh,txpool,personal,web3" \
--rpcapi "db,eth,net,web3" \
--autodag \
--networkid 1900 \
--nat "any" \
--mine
init "~/testnet/CustomGenesis.json" \
console

unlock.js

for(var i in personal.listAccounts) {
	personal.unlockAccount(personal.listAccounts[i], "testtest");
}