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docs: clarify PumpFun V2 configuration

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0xfnzero
2026-05-21 14:48:43 +08:00
parent 4968c48a2e
commit 0cf0064e80
2 changed files with 19 additions and 4 deletions
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README.md
+7 -3
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@@ -152,7 +152,7 @@ let trade_config = TradeConfig::builder(rpc_url, swqos_configs, commitment)
// .check_min_tip(false) // default: false - filter SWQOS below min tip
// .swqos_cores_from_end(false) // default: false - bind SWQOS to last N CPU cores
// .mev_protection(false) // default: false - MEV (Astralane QUIC :9000 or HTTP mev-protect / BlockRazor)
// .use_pumpfun_v2(false) // default: false - V1 (18 accounts); set true for V2 (27 accounts, quote_mint) when PumpFun deploys V2
// .use_pumpfun_v2(true) // PumpFun V2 (27 accounts, quote_mint); required for USDC-paired PumpFun coins
.build();
// Create TradingClient
@@ -376,7 +376,7 @@ PumpFun has two instruction sets for bonding-curve trading:
**How to enable V2:**
**Method 1 — Global runtime flag** (recommended when PumpFun officially deploys V2 on mainnet):
**Method 1 — Global runtime flag** (recommended for `TradingClient`; required for USDC-paired coins):
```rust
let trade_config = TradeConfig::builder(rpc_url, swqos_configs, commitment)
@@ -384,7 +384,9 @@ let trade_config = TradeConfig::builder(rpc_url, swqos_configs, commitment)
.build();
```
**Method 2 — Per-trade via `quote_mint`** (for USDC-paired coins or mixed V1/V2 scenarios):
**Method 2 — Set the quote mint on `PumpFunParams`**:
When using the high-level `TradingClient`, keep `.use_pumpfun_v2(true)` enabled in `TradeConfig` and set `quote_mint` on the PumpFun params to select the pair:
```rust
use sol_trade_sdk::constants::WSOL_TOKEN_ACCOUNT;
@@ -399,6 +401,8 @@ let params = PumpFunParams::from_trade(/* ... */)
.with_quote_mint(USDC_TOKEN_ACCOUNT);
```
`with_quote_mint(...)` also marks the params as V2-capable for lower-level instruction builders, but the high-level `TradingClient` uses the client-level `use_pumpfun_v2` runtime flag when choosing V1 vs V2.
> **Note**: V2 transactions with ATA creation + durable nonce may exceed `PACKET_DATA_SIZE`. Enable an Address Lookup Table (`address_lookup_table_account`) when using V2.
#### PumpSwap: coin_creator_vault from events (no RPC)