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101 lines
2.4 KiB
101 lines
2.4 KiB
#include <bitcoin/pubkey.h>
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#include <bitcoin/short_channel_id.h>
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#include <common/amount.h>
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#include <common/json_helpers.h>
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#include <common/node_id.h>
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#include <errno.h>
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bool json_to_bitcoin_amount(const char *buffer, const jsmntok_t *tok,
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uint64_t *satoshi)
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{
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char *end;
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unsigned long btc, sat;
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btc = strtoul(buffer + tok->start, &end, 10);
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if (btc == ULONG_MAX && errno == ERANGE)
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return false;
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if (end != buffer + tok->end) {
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/* Expect always 8 decimal places. */
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if (*end != '.' || buffer + tok->end - end != 9)
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return false;
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sat = strtoul(end+1, &end, 10);
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if (sat == ULONG_MAX && errno == ERANGE)
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return false;
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if (end != buffer + tok->end)
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return false;
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} else
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sat = 0;
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*satoshi = btc * (uint64_t)100000000 + sat;
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if (*satoshi != btc * (uint64_t)100000000 + sat)
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return false;
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return true;
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}
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bool json_to_node_id(const char *buffer, const jsmntok_t *tok,
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struct node_id *id)
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{
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return node_id_from_hexstr(buffer + tok->start,
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tok->end - tok->start, id);
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}
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bool json_to_pubkey(const char *buffer, const jsmntok_t *tok,
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struct pubkey *pubkey)
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{
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return pubkey_from_hexstr(buffer + tok->start,
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tok->end - tok->start, pubkey);
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}
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bool json_to_msat(const char *buffer, const jsmntok_t *tok,
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struct amount_msat *msat)
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{
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return parse_amount_msat(msat,
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buffer + tok->start, tok->end - tok->start);
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}
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bool json_to_sat(const char *buffer, const jsmntok_t *tok,
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struct amount_sat *sat)
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{
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return parse_amount_sat(sat, buffer + tok->start, tok->end - tok->start);
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}
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bool json_to_sat_or_all(const char *buffer, const jsmntok_t *tok,
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struct amount_sat *sat)
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{
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if (json_tok_streq(buffer, tok, "all")) {
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*sat = AMOUNT_SAT(-1ULL);
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return true;
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}
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return json_to_sat(buffer, tok, sat);
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}
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bool json_to_short_channel_id(const char *buffer, const jsmntok_t *tok,
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struct short_channel_id *scid)
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{
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return (short_channel_id_from_str(buffer + tok->start,
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tok->end - tok->start, scid));
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}
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bool json_to_txid(const char *buffer, const jsmntok_t *tok,
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struct bitcoin_txid *txid)
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{
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return bitcoin_txid_from_hex(buffer + tok->start,
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tok->end - tok->start, txid);
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}
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bool split_tok(const char *buffer, const jsmntok_t *tok,
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char split,
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jsmntok_t *a,
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jsmntok_t *b)
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{
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const char *p = memchr(buffer + tok->start, split, tok->end - tok->start);
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if (!p)
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return false;
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*a = *b = *tok;
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a->end = p - buffer;
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b->start = p + 1 - buffer;
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return true;
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}
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