mint demo funds for testnet

node/node_genesis.go

@@ -76,6 +76,7 @@ func (node *Node) SetupGenesisBlock(db ethdb.Database, shardID uint32, myShardSt
 			genesisAlloc[foundationAddress] = core.GenesisAccount{Balance: genesisFunds}
 		}
 	case nodeconfig.Testnet:
+		AddDemoAddressesToGenesisAlloc(genesisAlloc)
 		fallthrough
 	case nodeconfig.Devnet:
 		chainConfig = *params.TestnetChainConfig
@@ -149,3 +150,13 @@ func AddNodeAddressesToGenesisAlloc(genesisAlloc core.GenesisAlloc) {
 		genesisAlloc[address] = core.GenesisAccount{Balance: testBankFunds}
 	}
 }
+
+// AddDemoAddressesToGenesisAlloc funds demo addresses with free fund.
+func AddDemoAddressesToGenesisAlloc(genesisAlloc core.GenesisAlloc) {
+	for _, account := range DemoAccounts {
+		testBankFunds := big.NewInt(InitFreeFund)
+		testBankFunds = testBankFunds.Mul(testBankFunds, big.NewInt(params.Ether))
+		address := common.HexToAddress(account.Address)
+		genesisAlloc[address] = core.GenesisAccount{Balance: testBankFunds}
+	}
+}