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fix(quickstart): add -p flag to avoid error from missing PostgreSQL #1006

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bc0b692
fix(quickstart): add -p flag to avoid libpq linker error from workspa…
brunoguerios May 11, 2026
6912196
Merge branch 'propeller-heads:main' into fix/quickstart-libpq-linker-…
brunoguerios May 15, 2026
686ef6d
Merge branch 'main' into fix/quickstart-libpq-linker-error
zizou0x May 19, 2026
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13 changes: 10 additions & 3 deletions crates/tycho-simulation/examples/quickstart/Readme.md
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Original file line number Diff line number Diff line change
Expand Up @@ -7,18 +7,24 @@ This quickstart guide enables you to:

## How to run

> **Note:** Run with `-p tycho-simulation` to scope the build to this crate. Without it, Cargo
> resolves the full workspace dependency graph and pulls in `libpq` (a system PostgreSQL library
> required by the indexer crates), causing a linker error on machines without PostgreSQL installed.

```bash
export TYCHO_API_KEY=<your-api-key>
export RPC_URL=<your-rpc-url>
cargo run --release --example quickstart
cargo run --release -p tycho-simulation --example quickstart
```

By default, the example will trade 10 USDC -> WETH on Ethereum Mainnet. Setting the chain will by default trade 10
USDC -> WETH on that chain.
If you want a different trade or chain, you can do:

```bash
export TYCHO_API_KEY=<your-api-key>
export RPC_URL=<rpc-url-for-chain>
cargo run --release --example quickstart -- --sell-token "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913" --buy-token "0x4200000000000000000000000000000000000006" --sell-amount 10 --chain "base"
cargo run --release -p tycho-simulation --example quickstart -- --sell-token "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913" --buy-token "0x4200000000000000000000000000000000000006" --sell-amount 10 --chain "base"
```

for 10 USDC -> WETH on Base.
Expand All @@ -27,8 +33,9 @@ To be able to execute or simulate the best swap, you need to set your private ke

```bash
unset HISTFILE
export TYCHO_API_KEY=<your-api-key>
export PRIVATE_KEY=<your-private-key>
cargo run --release --example quickstart
cargo run --release -p tycho-simulation --example quickstart
```

See [here](https://docs.propellerheads.xyz/tycho) a complete guide on how to run the
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