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// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
//
import { action, computed, observable } from 'mobx';
import { blockNumber$, post$ } from '@parity/light.js';
import { contractForToken, txForErc20, txForEth } from '../utils/estimateGas';
import parityStore from './parityStore';
@observable
blockNumber; // Current block number, used to calculate tx confirmations.
tx = {}; // The actual tx we are sending. No need to be observable.
@observable
txStatus; // Status of the tx, see wiki for details.
// Since we accepted this request, we also start to listen to blockNumber,
// to calculate the number of confirmations
this.subscription = blockNumber$().subscribe(this.setBlockNumber);
return parityStore.api.signer.confirmRequest(requestId, null, password);
/**
* Back to defaults.
*/
clear = () => {
if (this.subscription) {
this.subscription.unsubscribe();
}
};
/**
* Get the number of confirmations our transaction has.
*/
if (!this.txStatus || !this.txStatus.confirmed) {
return -1;
}
return this.blockNumber - +this.txStatus.confirmed.blockNumber;
}
const tx =
token.address === 'ETH' ? txForEth(this.tx) : txForErc20(this.tx, token);
? post$(tx)
: contractForToken(token.address).transfer$(...tx.args, tx.options);
return new Promise((resolve, reject) => {
send$.subscribe(txStatus => {
// When we arrive to the `requested` stage, we accept the request
if (txStatus.requested) {
this.acceptRequest(txStatus.requested, password)
.then(resolve)
.catch(reject);
}
this.setTxStatus(txStatus);
setBlockNumber = blockNumber => {
this.blockNumber = blockNumber;
@action
setTxStatus = txStatus => {
this.txStatus = txStatus;
};
}
export default new SendStore();