Function expand_multichans

common/splice_script.c:1927–2021

}

static struct splice_script_error *expand_multichans(const tal_t *ctx,
						     struct token ***tokens_inout)
{
	struct token **input = *tokens_inout;
	struct token **tokens = tal_arr(ctx, struct token *, 0);
	struct token *token_itr;
	struct token *token;
	size_t chan_count;

	for (size_t i = 0; i < tal_count(input); i++) {
		switch(input[i]->type) {
		case TOK_CHAR:
		case TOK_ATSYM:
		case TOK_PLUS:
		case TOK_MINUS:
		case TOK_COLON:
		case TOK_LEASERATE:
		case TOK_ARROW:
		case TOK_PIPE:
		case TOK_STR:
		case TOK_SATS:
		case TOK_PERCENT:
		case TOK_QUESTION:
		case TOK_WILDCARD:
		case TOK_FEE:
		case TOK_CHANID:
		case TOK_WALLET:
		case TOK_FEERATE:
		case TOK_NODEID:
		case TOK_BTCADDR:
		case TOK_CHANQUERY:
		case TOK_MULTI_CHANID:
		case TOK_LEASEREQ:
		case TOK_DELIMITER:
			return new_error(ctx, INVALID_TOKEN, input[i],
					 "expand_multichans");
		case TOK_SEGMENT:
			if (input[i]->middle->type == TOK_MULTI_CHANID) {
				token_itr = input[i]->middle->right;
				/* First we count how many chan_ids */
				chan_count = 0;
				while (token_itr) {
					chan_count++;
					token_itr = token_itr->right;
				}
				/* Now we loop through each chan_id */
				token_itr = input[i]->middle->right;
				while (token_itr) {
					/* Duplicate the SEGMENT token */
					token = tal_dup(tokens, struct token,
							input[i]);
					token->left = tal_dup(token,
							      struct token,
							      token->left);
					token->right = tal_dup(token,
							       struct token,
							       token->right);
					/* token_itr is already a CHANID */