mirror of
https://github.com/uniwhale-io/DefiLlama-yield-server.git
synced 2026-01-12 17:12:21 +08:00
Add Single Finance (#621)
* Add Single Finance * update token symbol and add ltv * update syntax
This commit is contained in:
Single Finance Lab
committed by
GitHub
GitHub
parent
e87196bd2f
commit
6849629116
219
src/adaptors/single-finance/abis.js
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219
src/adaptors/single-finance/abis.js
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@@ -0,0 +1,219 @@
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module.exports = {
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VaultABI: [
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{
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inputs: [],
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name: 'totalToken',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'decimals',
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outputs: [
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{
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internalType: 'uint8',
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name: '',
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type: 'uint8',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'totalSupply',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'vaultDebtVal',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'decimals',
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outputs: [
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{
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internalType: 'uint8',
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name: '',
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type: 'uint8',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'config',
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outputs: [
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{
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internalType: 'contract IVaultConfig',
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name: '',
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type: 'address',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [
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{
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internalType: 'address',
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name: 'account',
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type: 'address',
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},
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],
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name: 'balanceOf',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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],
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Erc20ABI: [
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{
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constant: true,
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inputs: [
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{
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name: '_owner',
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type: 'address',
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},
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],
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name: 'balanceOf',
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outputs: [
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{
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name: 'balance',
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type: 'uint256',
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},
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],
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payable: false,
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stateMutability: 'view',
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type: 'function',
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},
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],
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ConfigurableInterestVaultConfigABI: [
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{
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inputs: [
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{
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internalType: 'uint256',
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name: 'debt',
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type: 'uint256',
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},
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{
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internalType: 'uint256',
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name: 'floating',
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type: 'uint256',
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},
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],
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name: 'getInterestRate',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'getReservePoolBps',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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],
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BigBangABI: [
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{
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inputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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name: 'poolInfo',
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outputs: [
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{
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internalType: 'uint256',
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name: 'allocPoint',
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type: 'uint256',
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},
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{
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internalType: 'uint256',
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name: 'lastRewardBlock',
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type: 'uint256',
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},
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{
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internalType: 'uint256',
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name: 'accRewardPerShare',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'totalAllocPoint',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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{
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inputs: [],
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name: 'singlePerBlock',
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outputs: [
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{
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internalType: 'uint256',
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name: '',
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type: 'uint256',
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},
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],
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stateMutability: 'view',
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type: 'function',
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},
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],
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};
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300
src/adaptors/single-finance/index.js
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300
src/adaptors/single-finance/index.js
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@@ -0,0 +1,300 @@
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const sdk = require('@defillama/sdk');
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const utils = require('../utils');
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const superagent = require('superagent');
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const {
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VaultABI,
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ConfigurableInterestVaultConfigABI,
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Erc20ABI,
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BigBangABI,
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} = require('./abis');
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const poolApiEndpoint = 'https://api.singlefinance.io/api/vaults';
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const singleToken = {
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cronos: '0x0804702a4E749d39A35FDe73d1DF0B1f1D6b8347'.toLowerCase(),
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fantom: '0x8cc97b50fe87f31770bcdcd6bc8603bc1558380b'.toLowerCase(),
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};
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const singleVaultAddress = {
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cronos: '0x3710000815c45d715af84f35919a6f2a901b7548'.toLowerCase(),
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fantom: '0xE87158503f831244E67af248E02bb1cc1CEfA841'.toLowerCase(),
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};
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const bigBang = {
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cronos: '0x1Ae8a7C582C3f9F9117d5Bc2863F2eD16cBd29cb'.toLowerCase(),
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fantom: '0x7C770a787B430582AbccE88886e9E4E24A457A61'.toLowerCase(),
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};
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const blocksPerYear = (secondsPerBlock) =>
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(60 / secondsPerBlock) * 60 * 24 * 365;
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const blocksPerYears = {
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cronos: blocksPerYear(5.8),
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fantom: blocksPerYear(5.8),
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};
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const availablePools = {
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cronos: ['CRO', 'USDC', 'VVS', 'MMF', 'USDT', 'VERSA', 'ARGO', 'bCRO'],
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fantom: ['FTM', 'USDC', 'fUSDT'],
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// cronos: ['CRO',],
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// fantom:[],
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};
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const getApyBase = (
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borrowingInterest,
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totalBorrow,
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totalSupply,
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lendingPerformanceFee
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) => {
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return (
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borrowingInterest *
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(totalBorrow / totalSupply) *
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(1 - lendingPerformanceFee) *
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100
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);
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};
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const getApyReward = (
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stakedTvl,
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allocPoint,
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totalAllocPoint,
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singlePerBlock,
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singlePrice,
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blocksPerYear
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) => {
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return (
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(((allocPoint / totalAllocPoint) * singlePerBlock * singlePrice) /
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stakedTvl) *
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blocksPerYear *
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100
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);
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};
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const getPrices = async (addresses) => {
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const prices = (
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await superagent.post('https://coins.llama.fi/prices').send({
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coins: addresses,
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})
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).body.coins;
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const priceItems = Object.entries(prices).reduce(
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(acc, [name, price]) => ({
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...acc,
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[name.split(':')[1]]: price.price,
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}),
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{}
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);
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return priceItems;
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};
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const secondToYearlyInterestRate = (rate) =>
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(Number(rate) * (60 * 60 * 24 * 365)) / 1000000000000000000;
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const getPriceInUsd = (item, decimal, price) => {
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return (Number(item) / 10 ** Number(decimal)) * price;
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};
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const multiCallOutput = async (abi, calls, chain) => {
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const res = await sdk.api.abi.multiCall({
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abi: abi,
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calls: calls,
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chain: chain,
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});
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return res.output.map(({ output }) => output);
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};
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const getApy = async (chain) => {
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const allPools = await utils.getData(
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`${poolApiEndpoint}?chainid=${
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chain === 'fantom' ? '250' : chain === 'cronos' ? '25' : undefined
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}`
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);
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const pools = allPools.data.filter((pool) => {
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const symbol = pool.token.symbol;
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return availablePools[chain].includes(symbol);
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});
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const singlePrice = await getPrices([chain + ':' + singleToken[chain]]);
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const totalSupply = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'totalToken'),
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pools.map((pool) => ({ target: pool.address })),
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chain
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);
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const totalSupplyToken = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'totalSupply'),
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pools.map((pool) => ({ target: pool.address })),
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chain
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);
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const totalBorrowed = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'vaultDebtVal'),
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pools.map((pool) => ({ target: pool.address })),
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chain
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);
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const decimals = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'decimals'),
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pools.map((pool) => ({ target: pool.address })),
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chain
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);
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const configs = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'config'),
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pools.map((pool) => ({ target: pool.address })),
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chain
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);
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const totalToken = await multiCallOutput(
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Erc20ABI.find(({ name }) => name === 'balanceOf'),
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pools.map((pool) => ({
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target: pool.token.id,
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params: [pool.address],
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})),
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chain
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);
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const interestRate = await multiCallOutput(
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ConfigurableInterestVaultConfigABI.find(
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({ name }) => name === 'getInterestRate'
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),
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configs.map((config, i) => {
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return {
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target: config,
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params: [totalBorrowed[i].toString(), totalToken[i].toString()],
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};
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}),
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chain
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);
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const totalIbStaked = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'balanceOf'),
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configs.map((config, i) => {
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return {
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target: pools[i].address,
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params: bigBang[chain],
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};
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}),
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chain
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);
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const lendingPerformanceFeeBps = await multiCallOutput(
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ConfigurableInterestVaultConfigABI.find(
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({ name }) => name === 'getReservePoolBps'
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),
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configs.map((config, i) => {
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return {
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target: config,
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};
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}),
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chain
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);
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const allocPoint = await multiCallOutput(
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BigBangABI.find(({ name }) => name === 'poolInfo'),
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pools.map((pool) => ({
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params: [pool.fairLaunchPoolId],
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target: bigBang[chain],
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})),
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chain
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);
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const totalAllocPoint = await multiCallOutput(
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BigBangABI.find(({ name }) => name === 'totalAllocPoint'),
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[{ target: bigBang[chain] }],
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chain
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);
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const singlePerBlock = await multiCallOutput(
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BigBangABI.find(({ name }) => name === 'singlePerBlock'),
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[{ target: bigBang[chain] }],
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chain
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);
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const singleVaultDeimals = await multiCallOutput(
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VaultABI.find(({ name }) => name === 'decimals'),
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[{ target: singleVaultAddress[chain] }],
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chain
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);
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const prices = await getPrices(
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pools.map((pool) => {
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return chain + ':' + pool.token.id;
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})
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);
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const res = pools.map((pool, idx) => {
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const tokenAddress = pool.token.id.toLowerCase();
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const totalSupplyUsd = getPriceInUsd(
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totalSupply[idx],
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decimals[idx],
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prices[tokenAddress]
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);
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const totalBorrowUsd = getPriceInUsd(
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totalBorrowed[idx],
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decimals[idx],
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prices[tokenAddress]
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);
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const lendingPerformanceFee = Number(lendingPerformanceFeeBps[idx]) / 10000;
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const apyBase = getApyBase(
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secondToYearlyInterestRate(interestRate[idx]),
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totalBorrowed[idx],
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totalSupply[idx],
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lendingPerformanceFee
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);
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let conversionRate = 1;
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if (totalSupplyToken[idx] && Number(totalSupplyToken[idx]) > 0) {
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conversionRate = totalSupply[idx] / totalSupplyToken[idx];
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}
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const stakedTvl =
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(Number(totalIbStaked[idx]) / Math.pow(10, decimals[idx])) *
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prices[tokenAddress] *
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conversionRate;
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const apyReward = getApyReward(
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stakedTvl,
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allocPoint[idx].allocPoint,
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totalAllocPoint[0],
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singlePerBlock[0] / Math.pow(10, singleVaultDeimals[0]),
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singlePrice[singleToken[chain]],
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blocksPerYears[chain]
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);
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return {
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pool: pool.address,
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chain: utils.formatChain(chain),
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project: 'single-finance',
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symbol: pool.token.symbol,
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tvlUsd: totalSupplyUsd - totalBorrowUsd,
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apyBaseBorrow: secondToYearlyInterestRate(interestRate[idx]) * 100,
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totalSupplyUsd,
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totalBorrowUsd,
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apyBase,
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apyReward: chain === 'cronos' ? apyReward : 0,
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underlyingTokens: [pool.token.id],
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rewardTokens: chain === 'cronos' ? [singleToken[chain]] : [],
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ltv: 0,
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};
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});
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return res;
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};
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const apy = async () => {
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const cronosPools = await getApy('cronos');
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const fantomPools = await getApy('fantom');
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return [...cronosPools, ...fantomPools];
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};
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module.exports = {
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timetravel: false,
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apy: apy,
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url: 'https://app.singlefinance.io/lend',
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};
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