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8 changes: 8 additions & 0 deletions contracts/extensions/StreamingPayments.sol
Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,9 @@ contract StreamingPayments is ColonyExtensionMeta {
address token,
uint256 amount
);
event StartTimeSet(address agent, uint256 indexed streamingPaymentId, uint256 startTime);
event EndTimeSet(address agent, uint256 indexed streamingPaymentId, uint256 endTime);
event ClaimWaived(address agent, uint256 indexed streamingPaymentId, address token);

// Constants

Expand Down Expand Up @@ -358,6 +361,8 @@ contract StreamingPayments is ColonyExtensionMeta {
require(_startTime <= streamingPayment.endTime, "streaming-payments-invalid-start-time");

streamingPayment.startTime = _startTime;

emit StartTimeSet(msgSender(), _id, _startTime);
}

/// @notice Update the endTime, only if the new endTime is in the future
Expand All @@ -384,6 +389,8 @@ contract StreamingPayments is ColonyExtensionMeta {
require(streamingPayment.startTime <= _endTime, "streaming-payments-invalid-end-time");

streamingPayment.endTime = _endTime;

emit EndTimeSet(msgSender(), _id, _endTime);
}

/// @notice Cancel the streaming payment, specifically by setting endTime to block.timestamp
Expand Down Expand Up @@ -427,6 +434,7 @@ contract StreamingPayments is ColonyExtensionMeta {
for (uint256 i; i < _tokens.length; i++) {
PaymentToken storage paymentToken = paymentTokens[_id][_tokens[i]];
paymentToken.pseudoAmountClaimedFromStart = getAmountEntitledFromStart(_id, _tokens[i]);
emit ClaimWaived(msgSender(), _id, _tokens[i]);
}
}

Expand Down
26 changes: 21 additions & 5 deletions test/extensions/streaming-payments.js
Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,15 @@ const { ethers } = require("ethers");
const { soliditySha3 } = require("web3-utils");

const { UINT256_MAX, WAD, SECONDS_PER_DAY, ADDRESS_ZERO } = require("../../helpers/constants");
const { checkErrorRevert, web3GetCode, makeTxAtTimestamp, getBlockTime, getTokenArgs, forwardTime } = require("../../helpers/test-helper");
const {
checkErrorRevert,
web3GetCode,
makeTxAtTimestamp,
getBlockTime,
getTokenArgs,
forwardTime,
expectEvent,
} = require("../../helpers/test-helper");
const { setupRandomColony, fundColonyWithTokens } = require("../../helpers/test-data-generator");

const { expect } = chai;
Expand Down Expand Up @@ -174,9 +182,11 @@ contract("Streaming Payments", (accounts) => {
expect(streamingPayment.startTime).to.eq.BN(startTime);

// Now make it two days into the future
await streamingPayments.setStartTime(1, UINT256_MAX, streamingPaymentId, newStartTime);
const tx = await streamingPayments.setStartTime(1, UINT256_MAX, streamingPaymentId, newStartTime);
streamingPayment = await streamingPayments.getStreamingPayment(streamingPaymentId);
expect(streamingPayment.startTime).to.eq.BN(newStartTime);

await expectEvent(tx, "StartTimeSet", [accounts[0], streamingPaymentId, newStartTime]);
});

it("cannot update the start time after the start time has passed", async () => {
Expand Down Expand Up @@ -227,9 +237,11 @@ contract("Streaming Payments", (accounts) => {
streamingPayment = await streamingPayments.getStreamingPayment(streamingPaymentId);
expect(streamingPayment.endTime).to.eq.BN(endTime);

await streamingPayments.setEndTime(1, UINT256_MAX, streamingPaymentId, newEndTime);
const tx = await streamingPayments.setEndTime(1, UINT256_MAX, streamingPaymentId, newEndTime);
streamingPayment = await streamingPayments.getStreamingPayment(streamingPaymentId);
expect(streamingPayment.endTime).to.eq.BN(newEndTime);

await expectEvent(tx, "EndTimeSet", [accounts[0], streamingPaymentId, newEndTime]);
});

it("cannot update the end time to a time past", async () => {
Expand Down Expand Up @@ -429,6 +441,8 @@ contract("Streaming Payments", (accounts) => {

const streamingPayment = await streamingPayments.getStreamingPayment(streamingPaymentId);
expect(streamingPayment.endTime).to.eq.BN(blockTime);

expectEvent(tx, "EndTimeSet", [accounts[0], streamingPaymentId, blockTime]);
});

it("can cancel a streaming payment before the start time", async () => {
Expand Down Expand Up @@ -473,12 +487,12 @@ contract("Streaming Payments", (accounts) => {
});

it("receipient can cancel and waive a streaming payment", async () => {
const tx = await streamingPayments.create(1, UINT256_MAX, 1, UINT256_MAX, 1, 0, UINT256_MAX, SECONDS_PER_DAY, USER1, [token.address], [WAD]);
let tx = await streamingPayments.create(1, UINT256_MAX, 1, UINT256_MAX, 1, 0, UINT256_MAX, SECONDS_PER_DAY, USER1, [token.address], [WAD]);
const streamingPaymentId = await streamingPayments.getNumStreamingPayments();

const blockTime = await getBlockTime(tx.receipt.blockNumber);

await makeTxAtTimestamp(
tx = await makeTxAtTimestamp(
streamingPayments.cancelAndWaive,
[streamingPaymentId, [token.address], { from: USER1 }],
blockTime + SECONDS_PER_DAY * 2,
Expand All @@ -490,6 +504,8 @@ contract("Streaming Payments", (accounts) => {

const paymentToken = await streamingPayments.getPaymentToken(streamingPaymentId, token.address);
expect(paymentToken.pseudoAmountClaimedFromStart).to.equal((WAD * 2).toString());

expectEvent(tx, "ClaimWaived", [USER1, streamingPaymentId, token.address]);
});

it("multiple cancel-and-waives of a streaming payments do not change the end time", async () => {
Expand Down