mirror of
https://github.com/Instadapp/fluid-contracts-public.git
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44 lines
3.4 KiB
Solidity
44 lines
3.4 KiB
Solidity
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// SPDX-License-Identifier: BUSL-1.1
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pragma solidity 0.8.21;
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contract Events {
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/// @notice emitted on any `operate()` execution: deposit / supply / withdraw / borrow.
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/// includes info related to the executed operation, new total amounts (packed uint256 of BigMath numbers as in storage)
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/// and exchange prices (packed uint256 as in storage).
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/// @param user protocol that triggered this operation (e.g. via an fToken or via Vault protocol)
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/// @param token token address for which this operation was executed
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/// @param supplyAmount supply amount for the operation. if >0 then a deposit happened, if <0 then a withdrawal happened.
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/// if 0 then nothing.
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/// @param borrowAmount borrow amount for the operation. if >0 then a borrow happened, if <0 then a payback happened.
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/// if 0 then nothing.
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/// @param withdrawTo address that funds where withdrawn to (if supplyAmount <0)
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/// @param borrowTo address that funds where borrowed to (if borrowAmount >0)
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/// @param totalAmounts updated total amounts, stacked uint256 as written to storage:
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/// First 64 bits => 0- 63 => total supply with interest in raw (totalSupply = totalSupplyRaw * supplyExchangePrice); BigMath: 56 | 8
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/// Next 64 bits => 64-127 => total interest free supply in normal token amount (totalSupply = totalSupply); BigMath: 56 | 8
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/// Next 64 bits => 128-191 => total borrow with interest in raw (totalBorrow = totalBorrowRaw * borrowExchangePrice); BigMath: 56 | 8
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/// Next 64 bits => 192-255 => total interest free borrow in normal token amount (totalBorrow = totalBorrow); BigMath: 56 | 8
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/// @param exchangePricesAndConfig updated exchange prices and configs storage slot. Contains updated supply & borrow exchange price:
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/// First 16 bits => 0- 15 => borrow rate (in 1e2: 100% = 10_000; 1% = 100 -> max value 65535)
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/// Next 14 bits => 16- 29 => fee on interest from borrowers to lenders (in 1e2: 100% = 10_000; 1% = 100 -> max value 16_383). configurable.
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/// Next 14 bits => 30- 43 => last stored utilization (in 1e2: 100% = 10_000; 1% = 100 -> max value 16_383)
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/// Next 14 bits => 44- 57 => update on storage threshold (in 1e2: 100% = 10_000; 1% = 100 -> max value 16_383). configurable.
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/// Next 33 bits => 58- 90 => last update timestamp (enough until 16 March 2242 -> max value 8589934591)
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/// Next 64 bits => 91-154 => supply exchange price (1e12 -> max value 18_446_744,073709551615)
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/// Next 64 bits => 155-218 => borrow exchange price (1e12 -> max value 18_446_744,073709551615)
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/// Next 1 bit => 219-219 => if 0 then ratio is supplyInterestFree / supplyWithInterest else ratio is supplyWithInterest / supplyInterestFree
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/// Next 14 bits => 220-233 => supplyRatio: supplyInterestFree / supplyWithInterest (in 1e2: 100% = 10_000; 1% = 100 -> max value 16_383)
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/// Next 1 bit => 234-234 => if 0 then ratio is borrowInterestFree / borrowWithInterest else ratio is borrowWithInterest / borrowInterestFree
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/// Next 14 bits => 235-248 => borrowRatio: borrowInterestFree / borrowWithInterest (in 1e2: 100% = 10_000; 1% = 100 -> max value 16_383)
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event LogOperate(
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address indexed user,
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address indexed token,
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int256 supplyAmount,
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int256 borrowAmount,
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address withdrawTo,
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address borrowTo,
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uint256 totalAmounts,
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uint256 exchangePricesAndConfig
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);
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}
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