CREATE TABLE IF NOT EXISTS blocks (
  hash text primary key,
  coinbase text,
  gasUsed numeric,
  gasLimit numeric,
  txCount numeric,
  uncleCount numeric,
  age timestamp,
  parentHash text,
  uncleHash text,
  difficulty bigint,
  size text,
  nonce numeric,
  number bigint
);

CREATE TABLE IF NOT EXISTS txs (
  txHash text,
  to_addr text,
  from_addr text,
  blockhash text references blocks(hash),
  blocknumber text,
  amount numeric,
  gasprice numeric,
  gas numeric,
  txFee numeric,
  nonce numeric,
  txStatus text,
  isContract bool,
  data bytea
);

CREATE TABLE IF NOT EXISTS accounts (
  addr text primary key unique,
  balance numeric,
  txCountAccount numeric
);

CREATE TABLE IF NOT EXISTS contracts (
  txHash text
);