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fix(pumpfun): resolve creator_vault with fee-sharing PDA (mint-aware)

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- Add get_fee_sharing_config_pda per @pump-fun/pump-sdk (sharing-config + mint under pump-fees)
- resolve_creator_vault_for_ix now takes mint: accept gRPC creator_vault when it matches either
  PDA(creator) or PDA(fee_sharing_config(mint)) for migrated / fee-sharing bonding curves
- Mayhem uses the same Pump buy/sell account layout (IDL); Token-2022 + fee pool differ, not creator_vault seeds

Made-with: Cursor
This commit is contained in:
0xfnzero
2026-04-11 19:44:54 +08:00
parent 4dec087ea6
commit b13b4fda0a
3 changed files with 65 additions and 23 deletions
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src/instruction/pumpfun.rs
+22 -14
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@@ -46,13 +46,17 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
// creator_vault must be PDA(creator) per bonding curve. Event vault: use only if == derived;
// if stream sends a mismatched vault (wrong token / stale), fall back to derived.
let creator = bonding_curve.creator;
let creator_vault_pda = resolve_creator_vault_for_ix(&creator, protocol_params.creator_vault)
.ok_or_else(|| {
anyhow!(
"creator_vault PDA derivation failed (creator={})",
creator
)
})?;
let creator_vault_pda = resolve_creator_vault_for_ix(
&creator,
protocol_params.creator_vault,
&params.output_mint,
)
.ok_or_else(|| {
anyhow!(
"creator_vault PDA derivation failed (creator={})",
creator
)
})?;
// ========================================
// Trade calculation and account address preparation
@@ -206,13 +210,17 @@ impl InstructionBuilder for PumpFunInstructionBuilder {
let bonding_curve = &protocol_params.bonding_curve;
let creator = bonding_curve.creator;
let creator_vault_pda = resolve_creator_vault_for_ix(&creator, protocol_params.creator_vault)
.ok_or_else(|| {
anyhow!(
"creator_vault PDA derivation failed (creator={})",
creator
)
})?;
let creator_vault_pda = resolve_creator_vault_for_ix(
&creator,
protocol_params.creator_vault,
&params.input_mint,
)
.ok_or_else(|| {
anyhow!(
"creator_vault PDA derivation failed (creator={})",
creator
)
})?;
// ========================================
// Trade calculation and account address preparation