53 lines
1.6 KiB
Rust
53 lines
1.6 KiB
Rust
//! The `dynamic_transaction` module provides functionality for loading and calling a program
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use bincode::serialize;
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use hash::Hash;
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use signature::{Keypair, KeypairUtil};
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use solana_sdk::loader_instruction::LoaderInstruction;
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use solana_sdk::pubkey::Pubkey;
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use transaction::Transaction;
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pub trait LoaderTransaction {
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fn write(
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from_keypair: &Keypair,
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loader: Pubkey,
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offset: u32,
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bytes: Vec<u8>,
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last_id: Hash,
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fee: i64,
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) -> Self;
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fn finalize(from_keypair: &Keypair, loader: Pubkey, last_id: Hash, fee: i64) -> Self;
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}
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impl LoaderTransaction for Transaction {
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fn write(
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from_keypair: &Keypair,
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loader: Pubkey,
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offset: u32,
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bytes: Vec<u8>,
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last_id: Hash,
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fee: i64,
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) -> Self {
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trace!(
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"LoaderTransaction::Write() program {:?} offset {} length {}",
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from_keypair.pubkey(),
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offset,
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bytes.len()
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);
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let instruction = LoaderInstruction::Write { offset, bytes };
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let userdata = serialize(&instruction).unwrap();
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Transaction::new(from_keypair, &[], loader, userdata, last_id, fee)
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}
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fn finalize(from_keypair: &Keypair, loader: Pubkey, last_id: Hash, fee: i64) -> Self {
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trace!(
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"LoaderTransaction::Finalize() program {:?}",
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from_keypair.pubkey(),
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);
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let instruction = LoaderInstruction::Finalize;
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let userdata = serialize(&instruction).unwrap();
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Transaction::new(from_keypair, &[], loader, userdata, last_id, fee)
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}
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}
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