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Add cbBTC as collateral to WETH market on Mainnet (#923)
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deployments/mainnet/weth/migrations/1726228702_add_cbbtc_as_collateral.ts
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import { expect } from 'chai'; | ||
import { DeploymentManager } from '../../../../plugins/deployment_manager/DeploymentManager'; | ||
import { migration } from '../../../../plugins/deployment_manager/Migration'; | ||
import { exp, proposal } from '../../../../src/deploy'; | ||
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const CBBTC_ADDRESS = '0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf'; | ||
const CBBTC_USD_PRICE_FEED = '0x2665701293fCbEB223D11A08D826563EDcCE423A'; | ||
const ETH_USD_PRICE_FEED_ADDRESS = '0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419'; | ||
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let priceFeedAddress: string; | ||
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export default migration('1726228702_add_cbbtc_as_collateral', { | ||
async prepare(deploymentManager: DeploymentManager) { | ||
const _cbBTCPriceFeed = await deploymentManager.deploy( | ||
'cbBTC:priceFeed', | ||
'pricefeeds/ReverseMultiplicativePriceFeed.sol', | ||
[ | ||
CBBTC_USD_PRICE_FEED, // cbBTC / USD price feed | ||
ETH_USD_PRICE_FEED_ADDRESS, // USD / ETH price feed | ||
8, // decimals | ||
'cbBTC / ETH price feed', // description | ||
] | ||
); | ||
return { cbBTCPriceFeedAddress: _cbBTCPriceFeed.address }; | ||
}, | ||
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enact: async (deploymentManager: DeploymentManager, _, { cbBTCPriceFeedAddress }) => { | ||
const trace = deploymentManager.tracer(); | ||
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const cbBTC = await deploymentManager.existing( | ||
'cbBTC', | ||
CBBTC_ADDRESS, | ||
'mainnet', | ||
'contracts/ERC20.sol:ERC20' | ||
); | ||
const cbBTCPriceFeed = await deploymentManager.existing( | ||
'cbBTC:priceFeed', | ||
cbBTCPriceFeedAddress, | ||
'mainnet' | ||
); | ||
priceFeedAddress = cbBTCPriceFeed.address; | ||
const { | ||
governor, | ||
comet, | ||
cometAdmin, | ||
configurator | ||
} = await deploymentManager.getContracts(); | ||
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const newAssetConfig = { | ||
asset: cbBTC.address, | ||
priceFeed: cbBTCPriceFeed.address, | ||
decimals: await cbBTC.decimals(), | ||
borrowCollateralFactor: exp(0.8, 18), | ||
liquidateCollateralFactor: exp(0.85, 18), | ||
liquidationFactor: exp(0.95, 18), | ||
supplyCap: exp(93, 8), | ||
}; | ||
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const mainnetActions = [ | ||
// 1. Add cbBTC as asset | ||
{ | ||
contract: configurator, | ||
signature: 'addAsset(address,(address,address,uint8,uint64,uint64,uint64,uint128))', | ||
args: [comet.address, newAssetConfig], | ||
}, | ||
// 2. Deploy and upgrade to a new version of Comet | ||
{ | ||
contract: cometAdmin, | ||
signature: 'deployAndUpgradeTo(address,address)', | ||
args: [configurator.address, comet.address], | ||
}, | ||
]; | ||
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const description = '# Add cbBTC as collateral into cWETHv3 on Ethereum\n\n## Proposal summary\n\nCompound Growth Program [AlphaGrowth] proposes to add cbBTC into cWETHv3 on Ethereum network. This proposal takes the governance steps recommended and necessary to update a Compound III WETH market on Ethereum. Simulations have confirmed the market’s readiness, as much as possible, using the [Comet scenario suite](https://github.com/compound-finance/comet/tree/main/scenario). The new parameters include setting the risk parameters based off of the [recommendations from Gauntlet](https://www.comp.xyz/t/add-collateral-cbbtc-to-weth-market-on-base-and-mainnet/5689/2).\n\nFurther detailed information can be found on the corresponding [proposal pull request](https://github.com/compound-finance/comet/pull/923) and [forum discussion](https://www.comp.xyz/t/add-collateral-cbbtc-to-weth-market-on-base-and-mainnet/5689).\n\n\n## Proposal Actions\n\nThe first proposal action adds cbBTC asset as collateral with corresponding configurations.\n\nThe second action deploys and upgrades Comet to a new version.'; | ||
const txn = await deploymentManager.retry(async () => | ||
trace( | ||
await governor.propose(...(await proposal(mainnetActions, description))) | ||
) | ||
); | ||
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const event = txn.events.find( | ||
(event) => event.event === 'ProposalCreated' | ||
); | ||
const [proposalId] = event.args; | ||
trace(`Created proposal ${proposalId}.`); | ||
}, | ||
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async enacted(): Promise<boolean> { | ||
return false; | ||
}, | ||
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async verify(deploymentManager: DeploymentManager) { | ||
const { comet, configurator } = await deploymentManager.getContracts(); | ||
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const cbBTCAssetIndex = Number(await comet.numAssets()) - 1; | ||
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const cbBTCAssetConfig = { | ||
asset: CBBTC_ADDRESS, | ||
priceFeed: priceFeedAddress, | ||
decimals: 8, | ||
borrowCollateralFactor: exp(0.8, 18), | ||
liquidateCollateralFactor: exp(0.85, 18), | ||
liquidationFactor: exp(0.95, 18), | ||
supplyCap: exp(93, 8), | ||
}; | ||
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// 1. Compare proposed asset config with Comet asset info | ||
const cbBTCAssetInfo = await comet.getAssetInfoByAddress(CBBTC_ADDRESS); | ||
expect(cbBTCAssetIndex).to.be.equal(cbBTCAssetInfo.offset); | ||
expect(cbBTCAssetConfig.asset).to.be.equal(cbBTCAssetInfo.asset); | ||
expect(cbBTCAssetConfig.priceFeed).to.be.equal(cbBTCAssetInfo.priceFeed); | ||
expect(exp(1, cbBTCAssetConfig.decimals)).to.be.equal(cbBTCAssetInfo.scale); | ||
expect(cbBTCAssetConfig.borrowCollateralFactor).to.be.equal(cbBTCAssetInfo.borrowCollateralFactor); | ||
expect(cbBTCAssetConfig.liquidateCollateralFactor).to.be.equal(cbBTCAssetInfo.liquidateCollateralFactor); | ||
expect(cbBTCAssetConfig.liquidationFactor).to.be.equal(cbBTCAssetInfo.liquidationFactor); | ||
expect(cbBTCAssetConfig.supplyCap).to.be.equal(cbBTCAssetInfo.supplyCap); | ||
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// 2. Compare proposed asset config with Configurator asset config | ||
const configuratorcbBTCAssetConfig = (await configurator.getConfiguration(comet.address)).assetConfigs[cbBTCAssetIndex]; | ||
expect(cbBTCAssetConfig.asset).to.be.equal(configuratorcbBTCAssetConfig.asset); | ||
expect(cbBTCAssetConfig.priceFeed).to.be.equal(configuratorcbBTCAssetConfig.priceFeed); | ||
expect(cbBTCAssetConfig.decimals).to.be.equal(configuratorcbBTCAssetConfig.decimals); | ||
expect(cbBTCAssetConfig.borrowCollateralFactor).to.be.equal(configuratorcbBTCAssetConfig.borrowCollateralFactor); | ||
expect(cbBTCAssetConfig.liquidateCollateralFactor).to.be.equal(configuratorcbBTCAssetConfig.liquidateCollateralFactor); | ||
expect(cbBTCAssetConfig.liquidationFactor).to.be.equal(configuratorcbBTCAssetConfig.liquidationFactor); | ||
expect(cbBTCAssetConfig.supplyCap).to.be.equal(configuratorcbBTCAssetConfig.supplyCap); | ||
}, | ||
}); |