include/libcoin/ether.h

   1 #ifndef __ETHEREUM_H__
   2 #define __ETHEREUM_H__
   3
   4 #include <stdarg.h>
   5 #include <stdint.h>
   6 #include <gmp.h>
   7 #include <curl/curl.h>
   8 #include <libex/str.h>
   9 #include <libex/json.h>
  10 #include <libex/array.h>
  11 #include "conf.h"
  12
  13 #define ETH_DSCALE 18
  14 #define ETH_UNLOCK_TIMEOUT 1500
  15
  16 extern mpz_t eth_gwei;
  17 extern mpz_t eth_fast_price;
  18 extern mpz_t eth_average_price;
  19 extern mpz_t eth_slow_price;
  20
  21 static inline str_t *ether_str_to_int_str (const char *ether_amount) {
  22     return str_to_int_str(ether_amount, ETH_DSCALE);
  23 }
  24
  25 char *ether_hex_to_int_str (const char *amount);
  26
  27 typedef enum { ST_NONE, ST_NONPAYABLE, ST_VIEW } eth_method_state_t;
  28 typedef struct {
  29     char *proto;
  30     char *sign;
  31     eth_method_state_t state;
  32     int8_t is_payable;
  33     char **outputs;
  34     size_t output_len;
  35 } eth_method_t;
  36
  37 DEFINE_SORTED_ARRAY(eth_method_list_t, eth_method_t);
  38
  39 typedef struct {
  40     char *address;
  41     eth_method_list_t *methods;
  42 } eth_contract_t;
  43
  44 typedef enum { ETH_CALL, ETH_SENDTRAN } eth_call_type_t;
  45
  46 typedef struct {
  47     eth_contract_t *contract;
  48     eth_method_t *method;
  49     strbuf_t buf;
  50     json_t *json;
  51     eth_call_type_t call_type;
  52     str_t *result;
  53 } eth_ctx_t;
  54 void eth_ctx_clear (eth_ctx_t *ctx);
  55
  56 eth_contract_t *eth_declare_contract (const char *address);
  57 eth_contract_t *eth_load_contract (const char *address, const char *intf, size_t intf_len);
  58 eth_method_t *eth_declare_method (eth_contract_t *contract, const char *proto, size_t proto_len);
  59 void eth_free_contract (eth_contract_t *contract);
  60
  61 int eth_unlock_account (const char *account, const char *passwd, int timeout);
  62 char *eth_get_coinbase (char *address, size_t address_len);
  63 char *eth_coinbase ();
  64 char *eth_new_account (const char *pass, char *address, size_t address_len);
  65 str_t *eth_sha3 (const char *param, size_t param_len);
  66
  67 int eth_prepare_exec (eth_contract_t *contract, const char *from, const char *proto, eth_ctx_t *ctx);
  68 void eth_param_address (eth_ctx_t *ctx, const char *address);
  69 void eth_param_int (eth_ctx_t *ctx, mpz_t x);
  70 int eth_exec (eth_ctx_t *ctx, const char *value, const char *gas, const char *gas_price);
  71
  72 void eth_rawstr_to_wei (const char *rawstr, mpz_t amount);
  73 void eth_rawstr_to_ether (const char *rawstr, mpf_t amount);
  74
  75 char *eth_send (const char *from, const char *to, const char *amount, const char *gas, const char *gas_price);
  76 char *eth_send_wei (const char *from, const char *to, mpz_srcptr amount, mpz_srcptr gas, mpz_srcptr gas_price);
  77 char *eth_send_ether (const char *from, const char *to, mpq_srcptr amount, mpz_srcptr gas, mpz_srcptr gas_price);
  78 char *eth_newaccount (const char *passwd);
  79 char *eth_getbalance (const char *address, size_t address_len);
  80 int eth_accounts (json_item_h fn, void *userdata, int flags);
  81 int eth_gettransaction_by_hash (const char *hash, size_t hash_len, json_item_h fn, void *userdata);
  82
  83 void eth_mine ();
  84
  85 #endif // __ETHEREUM_H__