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Add deposit_contract crate

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This commit is contained in:
Paul Hauner
2019-11-18 16:08:19 +11:00
parent 5a9298d567
commit 8561a95ee9
7 changed files with 97 additions and 24 deletions
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39
tests/eth1_test_rig/src/lib.rs
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@@ -7,6 +7,7 @@
//! some initial issues.
mod ganache;
use deposit_contract::{eth1_tx_data, ABI, BYTECODE, CONTRACT_DEPLOY_GAS, DEPOSIT_GAS};
use futures::{stream, Future, IntoFuture, Stream};
use ganache::GanacheInstance;
use ssz::Encode;
@@ -16,19 +17,12 @@ use types::DepositData;
use types::{EthSpec, Hash256, Keypair, Signature};
use web3::contract::{Contract, Options};
use web3::transports::Http;
use web3::types::{Address, U256};
use web3::types::{Address, TransactionRequest, U256};
use web3::{Transport, Web3};
pub const DEPLOYER_ACCOUNTS_INDEX: usize = 0;
pub const DEPOSIT_ACCOUNTS_INDEX: usize = 0;
const CONTRACT_DEPLOY_GAS: usize = 4_000_000;
const DEPOSIT_GAS: usize = 4_000_000;
// Deposit contract
pub const ABI: &[u8] = include_bytes!("../contract/v0.8.3_validator_registration.json");
pub const BYTECODE: &[u8] = include_bytes!("../contract/v0.8.3_validator_registration.bytecode");
/// Provides a dedicated ganache-cli instance with the deposit contract already deployed.
pub struct GanacheEth1Instance {
pub ganache: GanacheInstance,
@@ -138,6 +132,7 @@ impl DepositContract {
deposit_data: DepositData,
) -> impl Future<Item = (), Error = String> {
let contract = self.contract.clone();
let web3_1 = self.web3.clone();
self.web3
.eth()
@@ -149,19 +144,27 @@ impl DepositContract {
.cloned()
.ok_or_else(|| "Insufficient accounts for deposit".to_string())
})
.and_then(move |from_address| {
let params = (
deposit_data.pubkey.as_ssz_bytes(),
deposit_data.withdrawal_credentials.as_ssz_bytes(),
deposit_data.signature.as_ssz_bytes(),
);
let options = Options {
.and_then(move |from| {
let tx_request = TransactionRequest {
from,
to: Some(contract.address()),
gas: Some(U256::from(DEPOSIT_GAS)),
gas_price: None,
value: Some(from_gwei(deposit_data.amount)),
..Options::default()
// Note: the reason we use this `TransactionRequest` instead of just using the
// function in `self.contract` is so that the `eth1_tx_data` function gets used
// during testing.
//
// It's important that `eth1_tx_data` stays correct and does not suffer from
// code-rot.
data: eth1_tx_data(&deposit_data).map(Into::into).ok(),
nonce: None,
condition: None,
};
contract
.call("deposit", params, from_address, options)
web3_1
.eth()
.send_transaction(tx_request)
.map_err(|e| format!("Failed to call deposit fn: {:?}", e))
})
.map(|_| ())