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Pegasys Smart Order Router

This repository contains routing logic for the Pegasys V3 protocol.

It searches for the most efficient way to swap token A for token B, considering splitting swaps across multiple routes and gas costs.

Testing

Unit Tests

First make sure you have run npm install and npm run build.

npm run test

CLI

The package can be run as a CLI for testing purposes.

Then from the root directory you can execute the CLI.

Examples

Some examples to use for manual CLI testing.

Rollux

./bin/cli quote --tokenIn 0x28c9c7Fb3fE3104d2116Af26cC8eF7905547349c --tokenOut 0x4200000000000000000000000000000000000006 --amount 1 --exactIn --recipient 0xc84633Af14e43F00D5aaa7A47B8d0864eE6a46FB --protocols v1

Best Route:
[V1] 100.00% = USDT -- [0x35F86987E9be51D950DFa747fE2A18603297b2ee] --> WSYS
	Raw Quote Exact In:
		2.83
	Gas Adjusted Quote In:
		2.83

Gas Used Quote Token: 0.000000
Gas Used USD: 0.000000
estimatedGasUsed: "135000"
gasPriceWei: "50"
Total ticks crossed: 1

./bin/cli quote --tokenIn 0x28c9c7Fb3fE3104d2116Af26cC8eF7905547349c --tokenOut 0x4200000000000000000000000000000000000006 --amount 1 --exactIn --recipient 0xc84633Af14e43F00D5aaa7A47B8d0864eE6a46FB --protocols v1,v3,mixed

Best Route:
[V3] 100.00% = USDT -- 0.05% [0x197e0865E759235699A758c5428944964627Cde1] --> USDC -- 0.3% [0x391Bca3c3C5a71E369D284b0CD81A7Fe8C097e20] --> WSYS
	Raw Quote Exact In:
		4.99
	Gas Adjusted Quote In:
		4.99

Gas Used Quote Token: 0.000000
Gas Used USD: 0.000000
blockNumber: "13692691"
estimatedGasUsed: "196000"
gasPriceWei: "50"
Total ticks crossed: 1

Adding a new Chain

The main components to complete are:

  • Deploy contracts on chain, add the pools to subgraph
  • Populate v3 providers in src/providers/v3/subgraph-provider and src/providers/v3/static-subgraph-provider
  • Populate chainId and addresses in src/util/chains.ts and src/util/addresses.ts
  • Populate token providers in src/providers/caching-token-provider and src/providers/token-provider.ts
  • Populate gas constants in src/routers/alpha-router/gas-models/*
  • Populate bases in src/routers/legacy-router/bases.ts
  • Populate test/integ/routers/alpha-router/alpha-router.integration.test.ts and src/providers/v2/static-subgraph-provider.ts
  • Populate src/routers/alpha-router/*
  • Add a log to /CHANGELOG.md
  • Run npm run integ-test successfully

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