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BPF programs can support up to 5 arguments (#2528)

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This commit is contained in:
Jack May
2019-01-23 09:55:08 -08:00
committed by GitHub
parent 73930b5eac
commit a0bc8b8af3
4 changed files with 75 additions and 109 deletions
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130
sdk/bpf/inc/solana_sdk.h
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@ -186,18 +186,22 @@ SOL_FN_PREFIX void _sol_panic(uint64_t line) {
* Asserts
*/
#define sol_assert(expr) \
if (!(expr)) { \
_sol_panic(__LINE__); \
}
if (!(expr)) { \
_sol_panic(__LINE__); \
}
/**
* Information about the state of the cluster immediately before the program
* started executing the current instruction
* Structure that the program's entrypoint input data is deserialized into.
*/
typedef struct {
SolKeyedAccount* ka; /** Pointer to an array of SolKeyedAccount, must already
point to an array of SolKeyedAccounts */
uint64_t ka_num; /** Number of SolKeyedAccount entries in `ka` */
const uint8_t *data; /** pointer to the instruction data */
uint64_t data_len; /** Length in bytes of the instruction data */
uint64_t tick_height; /** Current ledger tick */
const SolPubkey *program_id; /** program_id of the currently executing program */
} SolClusterInfo;
} SolParameters;
/**
* De-serializes the input parameters into usable types
@ -210,72 +214,55 @@ typedef struct {
* at program end.
*
* @param input Source buffer containing serialized input parameters
* @param ka Pointer to an array of SolKeyedAccount to deserialize into
* @param ka_len Number of SolKeyedAccount entries in `ka`
* @param ka_len_out If NULL, fill exactly `ka_len` accounts or fail.
* If not NULL, fill up to `ka_len` accounts and return the
* number of filled accounts in `ka_len_out`.
* @param data On return, a pointer to the instruction data
* @param data_len On return, the length in bytes of the instruction data
* @param cluster_info If not NULL, fill cluster_info
* @return Boolean true if successful
* @param params Pointer to a SolParameters structure
* @return Boolean true if successful.
*/
SOL_FN_PREFIX bool sol_deserialize(
const uint8_t *input,
SolKeyedAccount *ka,
uint64_t ka_len,
uint64_t *ka_len_out,
const uint8_t **data,
uint64_t *data_len,
SolClusterInfo *cluster_info
SolParameters *params,
uint64_t ka_num
) {
if (ka_len_out == NULL) {
if (ka_len != *(uint64_t *) input) {
return false;
}
ka_len = *(uint64_t *) input;
} else {
if (ka_len > *(uint64_t *) input) {
ka_len = *(uint64_t *) input;
}
*ka_len_out = ka_len;
if (NULL == input || NULL == params) {
return false;
}
params->ka_num = *(uint64_t *) input;
if (ka_num < *(uint64_t *) input) {
return false;
}
input += sizeof(uint64_t);
for (int i = 0; i < ka_len; i++) {
for (int i = 0; i < params->ka_num; i++) {
// key
ka[i].is_signer = *(uint64_t *) input != 0;
params->ka[i].is_signer = *(uint64_t *) input != 0;
input += sizeof(uint64_t);
ka[i].key = (SolPubkey *) input;
params->ka[i].key = (SolPubkey *) input;
input += sizeof(SolPubkey);
// tokens
ka[i].tokens = (uint64_t *) input;
params->ka[i].tokens = (uint64_t *) input;
input += sizeof(uint64_t);
// account userdata
ka[i].userdata_len = *(uint64_t *) input;
params->ka[i].userdata_len = *(uint64_t *) input;
input += sizeof(uint64_t);
ka[i].userdata = (uint8_t *) input;
input += ka[i].userdata_len;
params->ka[i].userdata = (uint8_t *) input;
input += params->ka[i].userdata_len;
// owner
ka[i].owner = (SolPubkey *) input;
params->ka[i].owner = (SolPubkey *) input;
input += sizeof(SolPubkey);
}
// input data
*data_len = *(uint64_t *) input;
params->data_len = *(uint64_t *) input;
input += sizeof(uint64_t);
*data = input;
input += *data_len;
params->data = input;
input += params->data_len;
params->tick_height = *(uint64_t *) input;
input += sizeof(uint64_t);
params->program_id = (SolPubkey *) input;
input += sizeof(SolPubkey);
if (cluster_info != NULL) {
cluster_info->tick_height = *(uint64_t *) input;
input += sizeof(uint64_t);
cluster_info->program_id = (SolPubkey *) input;
input += sizeof(SolPubkey);
}
return true;
}
@ -307,35 +294,32 @@ SOL_FN_PREFIX void sol_log_array(const uint8_t *array, int len) {
}
/**
* Prints the hexadecimal representation of the program's input parameters
* Prints the program's input parameters
*
* @param ka A pointer to an array of SolKeyedAccount to print
* @param ka_len Number of SolKeyedAccount to print
* @param data A pointer to the instruction data to print
* @param data_len The length in bytes of the instruction data
* @param params Pointer to a SolParameters structure
*/
SOL_FN_PREFIX void sol_log_params(
const SolKeyedAccount *ka,
uint64_t ka_len,
const uint8_t *data,
uint64_t data_len
) {
SOL_FN_PREFIX void sol_log_params(const SolParameters *params) {
sol_log("- Tick height:");
sol_log_64(params->tick_height, 0, 0, 0, 0);
sol_log("- Program identifier:");
sol_log_key(params->program_id);
sol_log("- Number of KeyedAccounts");
sol_log_64(0, 0, 0, 0, ka_len);
for (int i = 0; i < ka_len; i++) {
sol_log("- Is signer");
sol_log_64(0, 0, 0, 0, ka[i].is_signer);
sol_log("- Key");
sol_log_key(ka[i].key);
sol_log("- Tokens");
sol_log_64(0, 0, 0, 0, *ka[i].tokens);
sol_log("- Userdata");
sol_log_array(ka[i].userdata, ka[i].userdata_len);
sol_log("- Owner");
sol_log_key(ka[i].owner);
sol_log_64(0, 0, 0, 0, params->ka_num);
for (int i = 0; i < params->ka_num; i++) {
sol_log(" - Is signer");
sol_log_64(0, 0, 0, 0, params->ka[i].is_signer);
sol_log(" - Key");
sol_log_key(params->ka[i].key);
sol_log(" - Tokens");
sol_log_64(0, 0, 0, 0, *params->ka[i].tokens);
sol_log(" - Userdata");
sol_log_array(params->ka[i].userdata, params->ka[i].userdata_len);
sol_log(" - Owner");
sol_log_key(params->ka[i].owner);
}
sol_log("- Instruction data\0");
sol_log_array(data, data_len);
sol_log_array(params->data, params->data_len);
}
/**@}*/