EthWallet (eth_wallet v0.1.1)

Documentation for EthWallet.

    1. keys operations
    1. generate signed tx

    tx generated path:

    build_tx -> hash_for_signing(serialize -> rlp encode -> kec) -> gen sig -> get signed tx

    -> to raw tx-> send tx to node

Summary

Functions

build_tx(to_str, value, data, nonce, gas_price, gas_limit)

build transaction

decrypt_key(payload, password)

decrypt key with password.

encrypt_key(encrypted_key, password)

encrypt key with password.

generate_keys()

generate keys with/without privkey.

generate_keys(priv)

iex> EthWallet.generate_keys(<<21, ..., 166>>)

recover(digest, signature, recovery_id_handled, chain_id \\ nil)

recover pubkey by recovcery id, generated by sign compact

sign(digest, privkey)

sign uncompact, as sign in bitcoin.

sign_compact(digest, privkey, chain_id \\ nil)

sign compact, as sign in ethereum.

sign_tx(tx, private_key, chain_id \\ nil)

sign transaction

signed_tx_to_raw_tx(signed_tx)

signed transaction to raw transaction

standard_hash(msg_unhashed)

standard hash for msg signature.

verify(digest, sig, pubkey)

verify uncompact, fit to sign()

verify_compact(msg_unhashed, sig, addr)

verify by msg, sig and addr, fit to "sign_compact()"

Functions

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build_tx(to_str, value, data, nonce, gas_price, gas_limit)

@spec build_tx(String.t(), integer(), binary(), integer(), integer(), integer()) ::
  Transction.t()

build transaction

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decrypt_key(payload, password)

decrypt key with password.

## Examples

iex> EthWallet.decrypt_key(payload, "bbc")

"ddd"

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encrypt_key(encrypted_key, password)

encrypt key with password.

## Examples

iex> EthWallet.encrypt_key("ddd", "abc")

<<40, 28, 220, 122, 235, 180, 216, 145, 142, 171, 53, 146, 25, 136, 47, 215>>

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generate_keys()

generate keys with/without privkey.

## Examples

iex> EthWallet.generate_keys()

%{

addr: "0xd705f740d934acfb27df7bf71aadc00f20d03c7a",
priv: <<21, ..., 166>>,
pub: <<4, ..., 165, ...>>

}

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generate_keys(priv)

@spec generate_keys(binary()) :: map()

iex> EthWallet.generate_keys(<<21, ..., 166>>)

%{

addr: "0xd705f740d934acfb27df7bf71aadc00f20d03c7a",
priv: <<21, ..., 166, ...>>,
pub: <<4, ..., 165, ...>>

}

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recover(digest, signature, recovery_id_handled, chain_id \\ nil)

@spec recover(binary(), binary(), integer(), nil | integer()) ::
  {:ok, binary()} | {:error, String.t()}

recover pubkey by recovcery id, generated by sign compact

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sign(digest, privkey)

@spec sign(binary(), binary()) :: binary()

sign uncompact, as sign in bitcoin.

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sign_compact(digest, privkey, chain_id \\ nil)

@spec sign_compact(<<_::256>>, <<_::256>>, nil | integer()) :: %{
  v: integer(),
  r: integer(),
  s: integer(),
  sig: <<_::512>>
}

sign compact, as sign in ethereum.

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sign_tx(tx, private_key, chain_id \\ nil)

@spec sign_tx(EthWallet.Transaction.t(), binary(), integer() | nil) ::
  EthWallet.Transaction.t()

sign transaction

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signed_tx_to_raw_tx(signed_tx)

@spec signed_tx_to_raw_tx(EthWallet.Transaction.t()) :: String.t()

signed transaction to raw transaction

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standard_hash(msg_unhashed)

@spec standard_hash(String.t()) :: binary()

standard hash for msg signature.

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verify(digest, sig, pubkey)

@spec verify(binary(), binary(), binary()) :: boolean()

verify uncompact, fit to sign()

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verify_compact(msg_unhashed, sig, addr)

@spec verify_compact(String.t(), String.t(), String.t()) :: boolean()

verify by msg, sig and addr, fit to "sign_compact()"