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db: route to extract an array of struct secret from a column.

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Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-01-18 06:59:49 +10:30 • committed by Christian Decker
parent 2cbe5b65c7
commit 9b99b74c41
2 changed files with 14 additions and 1 deletions
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12
wallet/db.c
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@ -525,6 +525,18 @@ bool sqlite3_column_sha256_double(sqlite3_stmt *stmt, int col, struct sha256_do
return memcpy(dest, sqlite3_column_blob(stmt, col), sizeof(struct sha256_double)); return memcpy(dest, sqlite3_column_blob(stmt, col), sizeof(struct sha256_double));
} }
struct secret *sqlite3_column_secrets(const tal_t *ctx,
sqlite3_stmt *stmt, int col)
{
struct secret *secrets;
size_t n = sqlite3_column_bytes(stmt, col) / sizeof(*secrets);
/* Must fit exactly */
assert(n * sizeof(struct secret) == sqlite3_column_bytes(stmt, col));
secrets = tal_arr(ctx, struct secret, n);
return memcpy(secrets, sqlite3_column_blob(stmt, col), tal_len(secrets));
}
bool sqlite3_bind_sha256_double(sqlite3_stmt *stmt, int col, const struct sha256_double *p) bool sqlite3_bind_sha256_double(sqlite3_stmt *stmt, int col, const struct sha256_double *p)
{ {
sqlite3_bind_blob(stmt, col, p, sizeof(struct sha256_double), SQLITE_TRANSIENT); sqlite3_bind_blob(stmt, col, p, sizeof(struct sha256_double), SQLITE_TRANSIENT);

3
wallet/db.h
View file

@ -134,5 +134,6 @@ bool sqlite3_bind_sha256(sqlite3_stmt *stmt, int col, const struct sha256 *p);
bool sqlite3_column_sha256_double(sqlite3_stmt *stmt, int col, struct sha256_double *dest); bool sqlite3_column_sha256_double(sqlite3_stmt *stmt, int col, struct sha256_double *dest);
bool sqlite3_bind_sha256_double(sqlite3_stmt *stmt, int col, const struct sha256_double *p); bool sqlite3_bind_sha256_double(sqlite3_stmt *stmt, int col, const struct sha256_double *p);
struct secret *sqlite3_column_secrets(const tal_t *ctx,
sqlite3_stmt *stmt, int col);
#endif /* WALLET_DB_H */ #endif /* WALLET_DB_H */