blockworks-foundation
/
solana-program-library
mirror of https://github.com/blockworks-foundation/solana-program-library.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fix cross-program-invocation C example 

Correctly check if deriving the PDA with the given seed was successful.
Don't pass the system program pubkey to the allocate instruction: the first account passed must be the one to be allocated.
This commit is contained in:
Christian Machacek 2021-05-08 13:39:00 +02:00 committed by Michael Vines
parent f0b1cec4d8
commit 18d96ffce6
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
examples/c/src/cross-program-invocation/cross-program-invocation.c
View File

@ -22,7 +22,7 @@ extern uint64_t do_invoke(SolParameters *params) {
const SolSignerSeeds signers_seeds[] = {{seeds, SOL_ARRAY_SIZE(seeds)}}; const SolSignerSeeds signers_seeds[] = {{seeds, SOL_ARRAY_SIZE(seeds)}};
SolPubkey expected_allocated_key; SolPubkey expected_allocated_key;
if (SUCCESS == sol_create_program_address(seeds, SOL_ARRAY_SIZE(seeds), if (SUCCESS != sol_create_program_address(seeds, SOL_ARRAY_SIZE(seeds),
params->program_id, params->program_id,
&expected_allocated_key)) { &expected_allocated_key)) {
return ERROR_INVALID_INSTRUCTION_DATA; return ERROR_INVALID_INSTRUCTION_DATA;
@ -31,8 +31,7 @@ extern uint64_t do_invoke(SolParameters *params) {
return ERROR_INVALID_ARGUMENT; return ERROR_INVALID_ARGUMENT;
} }
SolAccountMeta arguments[] = {{system_program_info->key, false, false}, SolAccountMeta arguments[] = {{allocated_info->key, true, true}};
{allocated_info->key, true, true}};
uint8_t data[4 + 8]; // Enough room for the Allocate instruction uint8_t data[4 + 8]; // Enough room for the Allocate instruction
*(uint16_t *)data = 8; // Allocate instruction enum value *(uint16_t *)data = 8; // Allocate instruction enum value
*(uint64_t *)(data + 4) = SIZE; // Size to allocate *(uint64_t *)(data + 4) = SIZE; // Size to allocate