Skip to content

Instantly share code, notes, and snippets.

@dangell7

dangell7/carbon.c

Last active May 19, 2022 21:31
Show Gist options
  • Save dangell7/96946e78c3193a292fd50a12e88b16bb to your computer and use it in GitHub Desktop.
Save dangell7/96946e78c3193a292fd50a12e88b16bb to your computer and use it in GitHub Desktop.
Download ZIP
Raw
carbon.c
#include <stdint.h>
#include "hookapi.h"
int64_t cbak(uint32_t reserved)
{
TRACESTR("Carbon1: callback called.");
return 0;
}
int64_t hook(uint32_t reserved)
{
TRACESTR("Carbon1: started");
// before we start calling hook-api functions we should tell the hook how many tx we intend to create
etxn_reserve(1); // we are going to emit 1 transaction
// this api fetches the AccountID of the account the hook currently executing is installed on
// since hooks can be triggered by both incoming and ougoing transactions this is important to know
unsigned char hook_accid[20];
hook_account((uint32_t)hook_accid, 20);
// NB:
// almost all of the hook apis require a buffer pointer and buffer length to be supplied ... to make this a
// little easier to code a macro: `SBUF(your_buffer)` expands to `your_buffer, sizeof(your_buffer)`
// next fetch the sfAccount field from the originating transaction
uint8_t account_field[20];
int32_t account_field_len = otxn_field(SBUF(account_field), sfAccount);
TRACEVAR(account_field_len);
if (account_field_len < 20) // negative values indicate errors from every api
rollback(SBUF("Carbon: sfAccount field missing!!!"), 1); // this code could never be hit in prod
// but it's here for completeness
// compare the "From Account" (sfAccount) on the transaction with the account the hook is running on
int equal = 0; BUFFER_EQUAL(equal, hook_accid, account_field, 20);
if (!equal)
{
// if the accounts are not equal (memcmp != 0) the otxn was sent to the hook account by someone else
// accept() it and end the hook execution here
accept(SBUF("Carbon: Incoming transaction"), 2);
}
// execution to here means the user has sent a valid transaction FROM the account the hook is installed on
// fetch the sent Amount
// Amounts can be 384 bits or 64 bits. If the Amount is an XRP value it will be 64 bits.
unsigned char amount_buffer[48];
int64_t amount_len = otxn_field(SBUF(amount_buffer), sfAmount);
int64_t drops_to_send = 1000; // this will be the default
if (amount_len != 8)
{
// you can trace the behaviour of your hook using the trace(buf, size, as_hex) api
// which will output to xrpld's trace log
TRACESTR("Carbon: Non-xrp transaction detected, sending default 1000 drops to rfCarbon");
} else
{
TRACESTR("Carbon: XRP transaction detected, computing 1% to send to rfCarbon");
int64_t otxn_drops = AMOUNT_TO_DROPS(amount_buffer);
TRACEVAR(otxn_drops);
if (otxn_drops > 100000) // if its less we send the default amount. or if there was an error we send default
drops_to_send = (int64_t)((double)otxn_drops * 0.01f); // otherwise we send 1%
}
TRACEVAR(drops_to_send);
// hooks communicate accounts via the 20 byte account ID, this can be generated from an raddr like so
// a more efficient way to do this is precompute the account-id from the raddr (if the raddr never changes)
uint8_t carbon_accid[20];
int64_t ret = util_accid(
SBUF(carbon_accid), /* <-- generate into this buffer */
SBUF("rfCarbonVNTuXckX6x2qTMFmFSnm6dEWGX") ); /* <-- from this r-addr */
TRACEVAR(ret);
// fees for emitted transactions are based on how many txn your hook is emitted, whether or not this triggering
// was caused by a previously emitted transaction and how large the new emitted transaction is in bytes
// we need to precompute this before populating the payment transaction, as it is a field inside the tx
int64_t fee_base = etxn_fee_base(PREPARE_PAYMENT_SIMPLE_SIZE);
// create a buffer to write the emitted transaction into
unsigned char tx[PREPARE_PAYMENT_SIMPLE_SIZE];
// we will use an XRP payment macro, this will populate the buffer with a serialized binary transaction
// Parameter list: ( buf_out, drops_amount, drops_fee, to_address, dest_tag, src_tag )
PREPARE_PAYMENT_SIMPLE(tx, drops_to_send++, fee_base, carbon_accid, 0, 0);
// emit the transaction
uint8_t emithash[32];
int64_t emit_result = emit(SBUF(emithash), SBUF(tx));
TRACEVAR(emit_result);
// accept and allow the original transaction through
accept(SBUF("Carbon: Emitted transaction"), 0);
return 0;
}
Raw
hookmacro.h
/**
* These are helper macros for writing hooks, all of them are optional as is including hookmacro.h at all
*/
#include <stdint.h>
#include "hookapi.h"
#include "sfcodes.h"
#ifndef HOOKMACROS_INCLUDED
#define HOOKMACROS_INCLUDED 1
// hook developers should use this guard macro, simply GUARD(<maximum iterations>)
#define GUARD(maxiter) _g(__LINE__, (maxiter)+1)
#define GUARDM(maxiter, n) _g(((__LINE__ << 16) + n), (maxiter)+1)
#define SBUF(str) (uint32_t)(str), sizeof(str)
#define REQUIRE(cond, str)\
{\
if (!(cond))\
rollback(SBUF(str), __LINE__);\
}
// make a report buffer as a c-string
// provide a name for a buffer to declare (buf)
// provide a static string
// provide an integer to print after the string
#define RBUF(buf, out_len, str, num)\
unsigned char buf[sizeof(str) + 21];\
int out_len = 0;\
{\
volatile int _ten = 10;\
int i = 0;\
for (; GUARDM(sizeof(str),1),i < sizeof(str); ++i)\
(buf)[i] = str[i];\
if ((buf)[sizeof(str)-1] == 0) i--;\
if ((num) < 0) (buf)[i++] = '-';\
uint64_t unsigned_num = (uint64_t)( (num) < 0 ? (num) * -1 : (num) );\
uint64_t j = _ten * 1000000000000000000ULL;\
int start = 1;\
for (; GUARDM(20,2), unsigned_num > 0 && j > 0; j /= 10)\
{\
unsigned char digit = ( unsigned_num / j ) % 10;\
if (digit == 0 && start)\
continue;\
start = 0;\
(buf)[i++] = '0' + digit;\
}\
(buf)[i] = '\0';\
out_len = i;\
}
#define RBUF2(buff, out_len, str, num, str2, num2)\
unsigned char buff[sizeof(str) + sizeof(str2) + 42];\
int out_len = 0;\
{\
volatile int _ten = 10;\
unsigned char* buf = buff;\
int i = 0;\
for (; GUARDM(sizeof(str),1),i < sizeof(str); ++i)\
(buf)[i] = str[i];\
if ((buf)[sizeof(str)-1] == 0) i--;\
if ((num) < 0) (buf)[i++] = '-';\
uint64_t unsigned_num = (uint64_t)( (num) < 0 ? (num) * -1 : (num) );\
uint64_t j = _ten * 1000000000000000000ULL;\
int start = 1;\
for (; GUARDM(20,2), unsigned_num > 0 && j > 0; j /= 10)\
{\
unsigned char digit = ( unsigned_num / j ) % 10;\
if (digit == 0 && start)\
continue;\
start = 0;\
(buf)[i++] = '0' + digit;\
}\
buf += i;\
out_len += i;\
i = 0;\
for (; GUARDM(sizeof(str2),3),i < sizeof(str2); ++i)\
(buf)[i] = str2[i];\
if ((buf)[sizeof(str2)-1] == 0) i--;\
if ((num2) < 0) (buf)[i++] = '-';\
unsigned_num = (uint64_t)( (num2) < 0 ? (num2) * -1 : (num2) );\
j = _ten * 1000000000000000000ULL;\
start = 1;\
for (; GUARDM(20,4), unsigned_num > 0 && j > 0; j /= 10)\
{\
unsigned char digit = ( unsigned_num / j ) % 10;\
if (digit == 0 && start)\
continue;\
start = 0;\
(buf)[i++] = '0' + digit;\
}\
(buf)[i] = '\0';\
out_len += i;\
}
#ifdef NDEBUG
#define DEBUG 0
#else
#define DEBUG 1
#endif
#define TRACEVAR(v) if (DEBUG) trace_num((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (int64_t)v);
#define TRACEHEX(v) if (DEBUG) trace((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (uint32_t)(v), (uint32_t)(sizeof(v)), 1);
#define TRACEXFL(v) if (DEBUG) trace_float((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (int64_t)v);
#define TRACESTR(v) if (DEBUG) trace((uint32_t)(#v), (uint32_t)(sizeof(#v) - 1), (uint32_t)(v), sizeof(v), 0);
#define CLEARBUF(b)\
{\
for (int x = 0; GUARD(sizeof(b)), x < sizeof(b); ++x)\
b[x] = 0;\
}
// returns an in64_t, negative if error, non-negative if valid drops
#define AMOUNT_TO_DROPS(amount_buffer)\
(((amount_buffer)[0] >> 7) ? -2 : (\
((((uint64_t)((amount_buffer)[0])) & 0xb00111111) << 56) +\
(((uint64_t)((amount_buffer)[1])) << 48) +\
(((uint64_t)((amount_buffer)[2])) << 40) +\
(((uint64_t)((amount_buffer)[3])) << 32) +\
(((uint64_t)((amount_buffer)[4])) << 24) +\
(((uint64_t)((amount_buffer)[5])) << 16) +\
(((uint64_t)((amount_buffer)[6])) << 8) +\
(((uint64_t)((amount_buffer)[7])))))
#define SUB_OFFSET(x) ((int32_t)(x >> 32))
#define SUB_LENGTH(x) ((int32_t)(x & 0xFFFFFFFFULL))
// when using this macro buf1len may be dynamic but buf2len must be static
// provide n >= 1 to indicate how many times the macro will be hit on the line of code
// e.g. if it is in a loop that loops 10 times n = 10
#define BUFFER_EQUAL_GUARD(output, buf1, buf1len, buf2, buf2len, n)\
{\
output = ((buf1len) == (buf2len) ? 1 : 0);\
for (int x = 0; GUARDM( (buf2len) * (n), 1 ), output && x < (buf2len);\
++x)\
output = (buf1)[x] == (buf2)[x];\
}
#define BUFFER_SWAP(x,y)\
{\
uint8_t* z = x;\
x = y;\
y = z;\
}
#define ACCOUNT_COMPARE(compare_result, buf1, buf2)\
{\
compare_result = 0;\
for (int i = 0; GUARD(20), i < 20; ++i)\
{\
if (buf1[i] > buf2[i])\
{\
compare_result = 1;\
break;\
}\
else if (buf1[i] < buf2[i])\
{\
compare_result = -1;\
break;\
}\
}\
}
#define BUFFER_EQUAL_STR_GUARD(output, buf1, buf1len, str, n)\
BUFFER_EQUAL_GUARD(output, buf1, buf1len, str, (sizeof(str)-1), n)
#define BUFFER_EQUAL_STR(output, buf1, buf1len, str)\
BUFFER_EQUAL_GUARD(output, buf1, buf1len, str, (sizeof(str)-1), 1)
#define BUFFER_EQUAL(output, buf1, buf2, compare_len)\
BUFFER_EQUAL_GUARD(output, buf1, compare_len, buf2, compare_len, 1)
#define UINT16_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[1] = (((uint64_t)i) >> 0) & 0xFFUL;\
}
#define UINT16_FROM_BUF(buf)\
(((uint64_t)((buf)[0]) << 8) +\
((uint64_t)((buf)[1]) << 0))
#define UINT32_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 24) & 0xFFUL;\
buf[1] = (((uint64_t)i) >> 16) & 0xFFUL;\
buf[2] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[3] = (((uint64_t)i) >> 0) & 0xFFUL;\
}
#define UINT32_FROM_BUF(buf)\
(((uint64_t)((buf)[0]) << 24) +\
((uint64_t)((buf)[1]) << 16) +\
((uint64_t)((buf)[2]) << 8) +\
((uint64_t)((buf)[3]) << 0))
#define UINT64_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 56) & 0xFFUL;\
buf[1] = (((uint64_t)i) >> 48) & 0xFFUL;\
buf[2] = (((uint64_t)i) >> 40) & 0xFFUL;\
buf[3] = (((uint64_t)i) >> 32) & 0xFFUL;\
buf[4] = (((uint64_t)i) >> 24) & 0xFFUL;\
buf[5] = (((uint64_t)i) >> 16) & 0xFFUL;\
buf[6] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[7] = (((uint64_t)i) >> 0) & 0xFFUL;\
}
#define UINT64_FROM_BUF(buf)\
(((uint64_t)((buf)[0]) << 56) +\
((uint64_t)((buf)[1]) << 48) +\
((uint64_t)((buf)[2]) << 40) +\
((uint64_t)((buf)[3]) << 32) +\
((uint64_t)((buf)[4]) << 24) +\
((uint64_t)((buf)[5]) << 16) +\
((uint64_t)((buf)[6]) << 8) +\
((uint64_t)((buf)[7]) << 0))
#define INT64_FROM_BUF(buf)\
((((uint64_t)((buf)[0]&0x7FU) << 56) +\
((uint64_t)((buf)[1]) << 48) +\
((uint64_t)((buf)[2]) << 40) +\
((uint64_t)((buf)[3]) << 32) +\
((uint64_t)((buf)[4]) << 24) +\
((uint64_t)((buf)[5]) << 16) +\
((uint64_t)((buf)[6]) << 8) +\
((uint64_t)((buf)[7]) << 0)) * (buf[0] & 0x80U ? -1 : 1))
#define INT64_TO_BUF(buf_raw, i)\
{\
unsigned char* buf = (unsigned char*)buf_raw;\
buf[0] = (((uint64_t)i) >> 56) & 0x7FUL;\
buf[1] = (((uint64_t)i) >> 48) & 0xFFUL;\
buf[2] = (((uint64_t)i) >> 40) & 0xFFUL;\
buf[3] = (((uint64_t)i) >> 32) & 0xFFUL;\
buf[4] = (((uint64_t)i) >> 24) & 0xFFUL;\
buf[5] = (((uint64_t)i) >> 16) & 0xFFUL;\
buf[6] = (((uint64_t)i) >> 8) & 0xFFUL;\
buf[7] = (((uint64_t)i) >> 0) & 0xFFUL;\
if (i < 0) buf[0] |= 0x80U;\
}
#define ttPAYMENT 0
#define tfCANONICAL 0x80000000UL
#define atACCOUNT 1U
#define atOWNER 2U
#define atDESTINATION 3U
#define atISSUER 4U
#define atAUTHORIZE 5U
#define atUNAUTHORIZE 6U
#define atTARGET 7U
#define atREGULARKEY 8U
#define atPSEUDOCALLBACK 9U
#define amAMOUNT 1U
#define amBALANCE 2U
#define amLIMITAMOUNT 3U
#define amTAKERPAYS 4U
#define amTAKERGETS 5U
#define amLOWLIMIT 6U
#define amHIGHLIMIT 7U
#define amFEE 8U
#define amSENDMAX 9U
#define amDELIVERMIN 10U
#define amMINIMUMOFFER 16U
#define amRIPPLEESCROW 17U
#define amDELIVEREDAMOUNT 18U
/**
* RH NOTE -- PAY ATTENTION
*
* ALL 'ENCODE' MACROS INCREMENT BUF_OUT
* THIS IS TO MAKE CHAINING EASY
* BUF_OUT IS A SACRIFICIAL POINTER
*
* 'ENCODE' MACROS WITH CONSTANTS HAVE
* ALIASING TO ASSIST YOU WITH ORDER
* _TYPECODE_FIELDCODE_ENCODE_MACRO
* TO PRODUCE A SERIALIZED OBJECT
* IN CANONICAL FORMAT YOU MUST ORDER
* FIRST BY TYPE CODE THEN BY FIELD CODE
*
* ALL 'PREPARE' MACROS PRESERVE POINTERS
*
**/
#define ENCODE_TL_SIZE 49
#define ENCODE_TL(buf_out, tlamt, amount_type)\
{\
uint8_t uat = amount_type; \
buf_out[0] = 0x60U +(uat & 0x0FU ); \
for (int i = 1; GUARDM(48, 1), i < 49; ++i)\
buf_out[i] = tlamt[i-1];\
buf_out += ENCODE_TL_SIZE;\
}
#define _06_XX_ENCODE_TL(buf_out, drops, amount_type )\
ENCODE_TL(buf_out, drops, amount_type );
#define ENCODE_TL_AMOUNT(buf_out, drops )\
ENCODE_TL(buf_out, drops, amAMOUNT );
#define _06_01_ENCODE_TL_AMOUNT(buf_out, drops )\
ENCODE_TL_AMOUNT(buf_out, drops );
// Encode drops to serialization format
// consumes 9 bytes
#define ENCODE_DROPS_SIZE 9
#define ENCODE_DROPS(buf_out, drops, amount_type ) \
{\
uint8_t uat = amount_type; \
uint64_t udrops = drops; \
buf_out[0] = 0x60U +(uat & 0x0FU ); \
buf_out[1] = 0b01000000 + (( udrops >> 56 ) & 0b00111111 ); \
buf_out[2] = (udrops >> 48) & 0xFFU; \
buf_out[3] = (udrops >> 40) & 0xFFU; \
buf_out[4] = (udrops >> 32) & 0xFFU; \
buf_out[5] = (udrops >> 24) & 0xFFU; \
buf_out[6] = (udrops >> 16) & 0xFFU; \
buf_out[7] = (udrops >> 8) & 0xFFU; \
buf_out[8] = (udrops >> 0) & 0xFFU; \
buf_out += ENCODE_DROPS_SIZE; \
}
#define _06_XX_ENCODE_DROPS(buf_out, drops, amount_type )\
ENCODE_DROPS(buf_out, drops, amount_type );
#define ENCODE_DROPS_AMOUNT(buf_out, drops )\
ENCODE_DROPS(buf_out, drops, amAMOUNT );
#define _06_01_ENCODE_DROPS_AMOUNT(buf_out, drops )\
ENCODE_DROPS_AMOUNT(buf_out, drops );
#define ENCODE_DROPS_FEE(buf_out, drops )\
ENCODE_DROPS(buf_out, drops, amFEE );
#define _06_08_ENCODE_DROPS_FEE(buf_out, drops )\
ENCODE_DROPS_FEE(buf_out, drops );
#define ENCODE_TT_SIZE 3
#define ENCODE_TT(buf_out, tt )\
{\
uint8_t utt = tt;\
buf_out[0] = 0x12U;\
buf_out[1] =(utt >> 8 ) & 0xFFU;\
buf_out[2] =(utt >> 0 ) & 0xFFU;\
buf_out += ENCODE_TT_SIZE; \
}
#define _01_02_ENCODE_TT(buf_out, tt)\
ENCODE_TT(buf_out, tt);
#define ENCODE_ACCOUNT_SIZE 22
#define ENCODE_ACCOUNT(buf_out, account_id, account_type)\
{\
uint8_t uat = account_type;\
buf_out[0] = 0x80U + uat;\
buf_out[1] = 0x14U;\
*(uint64_t*)(buf_out + 2) = *(uint64_t*)(account_id + 0);\
*(uint64_t*)(buf_out + 10) = *(uint64_t*)(account_id + 8);\
*(uint32_t*)(buf_out + 18) = *(uint32_t*)(account_id + 16);\
buf_out += ENCODE_ACCOUNT_SIZE;\
}
#define _08_XX_ENCODE_ACCOUNT(buf_out, account_id, account_type)\
ENCODE_ACCOUNT(buf_out, account_id, account_type);
#define ENCODE_ACCOUNT_SRC_SIZE 22
#define ENCODE_ACCOUNT_SRC(buf_out, account_id)\
ENCODE_ACCOUNT(buf_out, account_id, atACCOUNT);
#define _08_01_ENCODE_ACCOUNT_SRC(buf_out, account_id)\
ENCODE_ACCOUNT_SRC(buf_out, account_id);
#define ENCODE_ACCOUNT_DST_SIZE 22
#define ENCODE_ACCOUNT_DST(buf_out, account_id)\
ENCODE_ACCOUNT(buf_out, account_id, atDESTINATION);
#define _08_03_ENCODE_ACCOUNT_DST(buf_out, account_id)\
ENCODE_ACCOUNT_DST(buf_out, account_id);
#define ENCODE_UINT32_COMMON_SIZE 5U
#define ENCODE_UINT32_COMMON(buf_out, i, field)\
{\
uint32_t ui = i; \
uint8_t uf = field; \
buf_out[0] = 0x20U +(uf & 0x0FU); \
buf_out[1] =(ui >> 24 ) & 0xFFU; \
buf_out[2] =(ui >> 16 ) & 0xFFU; \
buf_out[3] =(ui >> 8 ) & 0xFFU; \
buf_out[4] =(ui >> 0 ) & 0xFFU; \
buf_out += ENCODE_UINT32_COMMON_SIZE; \
}
#define _02_XX_ENCODE_UINT32_COMMON(buf_out, i, field)\
ENCODE_UINT32_COMMON(buf_out, i, field)\
#define ENCODE_UINT32_UNCOMMON_SIZE 6U
#define ENCODE_UINT32_UNCOMMON(buf_out, i, field)\
{\
uint32_t ui = i; \
uint8_t uf = field; \
buf_out[0] = 0x20U; \
buf_out[1] = uf; \
buf_out[2] =(ui >> 24 ) & 0xFFU; \
buf_out[3] =(ui >> 16 ) & 0xFFU; \
buf_out[4] =(ui >> 8 ) & 0xFFU; \
buf_out[5] =(ui >> 0 ) & 0xFFU; \
buf_out += ENCODE_UINT32_UNCOMMON_SIZE; \
}
#define _02_XX_ENCODE_UINT32_UNCOMMON(buf_out, i, field)\
ENCODE_UINT32_UNCOMMON(buf_out, i, field)\
#define ENCODE_LLS_SIZE 6U
#define ENCODE_LLS(buf_out, lls )\
ENCODE_UINT32_UNCOMMON(buf_out, lls, 0x1B );
#define _02_27_ENCODE_LLS(buf_out, lls )\
ENCODE_LLS(buf_out, lls );
#define ENCODE_FLS_SIZE 6U
#define ENCODE_FLS(buf_out, fls )\
ENCODE_UINT32_UNCOMMON(buf_out, fls, 0x1A );
#define _02_26_ENCODE_FLS(buf_out, fls )\
ENCODE_FLS(buf_out, fls );
#define ENCODE_TAG_SRC_SIZE 5
#define ENCODE_TAG_SRC(buf_out, tag )\
ENCODE_UINT32_COMMON(buf_out, tag, 0x3U );
#define _02_03_ENCODE_TAG_SRC(buf_out, tag )\
ENCODE_TAG_SRC(buf_out, tag );
#define ENCODE_TAG_DST_SIZE 5
#define ENCODE_TAG_DST(buf_out, tag )\
ENCODE_UINT32_COMMON(buf_out, tag, 0xEU );
#define _02_14_ENCODE_TAG_DST(buf_out, tag )\
ENCODE_TAG_DST(buf_out, tag );
#define ENCODE_SEQUENCE_SIZE 5
#define ENCODE_SEQUENCE(buf_out, sequence )\
ENCODE_UINT32_COMMON(buf_out, sequence, 0x4U );
#define _02_04_ENCODE_SEQUENCE(buf_out, sequence )\
ENCODE_SEQUENCE(buf_out, sequence );
#define ENCODE_FLAGS_SIZE 5
#define ENCODE_FLAGS(buf_out, tag )\
ENCODE_UINT32_COMMON(buf_out, tag, 0x2U );
#define _02_02_ENCODE_FLAGS(buf_out, tag )\
ENCODE_FLAGS(buf_out, tag );
#define ENCODE_SIGNING_PUBKEY_SIZE 35
#define ENCODE_SIGNING_PUBKEY(buf_out, pkey )\
{\
buf_out[0] = 0x73U;\
buf_out[1] = 0x21U;\
*(uint64_t*)(buf_out + 2) = *(uint64_t*)(pkey + 0);\
*(uint64_t*)(buf_out + 10) = *(uint64_t*)(pkey + 8);\
*(uint64_t*)(buf_out + 18) = *(uint64_t*)(pkey + 16);\
*(uint64_t*)(buf_out + 26) = *(uint64_t*)(pkey + 24);\
buf[34] = pkey[32];\
buf_out += ENCODE_SIGNING_PUBKEY_SIZE;\
}
#define _07_03_ENCODE_SIGNING_PUBKEY(buf_out, pkey )\
ENCODE_SIGNING_PUBKEY(buf_out, pkey );
#define ENCODE_SIGNING_PUBKEY_NULL_SIZE 35
#define ENCODE_SIGNING_PUBKEY_NULL(buf_out )\
{\
buf_out[0] = 0x73U;\
buf_out[1] = 0x21U;\
*(uint64_t*)(buf_out+2) = 0;\
*(uint64_t*)(buf_out+10) = 0;\
*(uint64_t*)(buf_out+18) = 0;\
*(uint64_t*)(buf_out+25) = 0;\
buf_out += ENCODE_SIGNING_PUBKEY_NULL_SIZE;\
}
#define _07_03_ENCODE_SIGNING_PUBKEY_NULL(buf_out )\
ENCODE_SIGNING_PUBKEY_NULL(buf_out );
#define PREPARE_PAYMENT_SIMPLE_SIZE 270
#define PREPARE_PAYMENT_SIMPLE(buf_out_master, drops_amount_raw, drops_fee_raw, to_address, dest_tag_raw, src_tag_raw)\
{\
uint8_t* buf_out = buf_out_master;\
uint8_t acc[20];\
uint64_t drops_amount = (drops_amount_raw);\
uint64_t drops_fee = (drops_fee_raw);\
uint32_t dest_tag = (dest_tag_raw);\
uint32_t src_tag = (src_tag_raw);\
uint32_t cls = (uint32_t)ledger_seq();\
hook_account(SBUF(acc));\
_01_02_ENCODE_TT (buf_out, ttPAYMENT ); /* uint16 | size 3 */ \
_02_02_ENCODE_FLAGS (buf_out, tfCANONICAL ); /* uint32 | size 5 */ \
_02_03_ENCODE_TAG_SRC (buf_out, src_tag ); /* uint32 | size 5 */ \
_02_04_ENCODE_SEQUENCE (buf_out, 0 ); /* uint32 | size 5 */ \
_02_14_ENCODE_TAG_DST (buf_out, dest_tag ); /* uint32 | size 5 */ \
_02_26_ENCODE_FLS (buf_out, cls + 1 ); /* uint32 | size 6 */ \
_02_27_ENCODE_LLS (buf_out, cls + 5 ); /* uint32 | size 6 */ \
_06_01_ENCODE_DROPS_AMOUNT (buf_out, drops_amount ); /* amount | size 9 */ \
_06_08_ENCODE_DROPS_FEE (buf_out, drops_fee ); /* amount | size 9 */ \
_07_03_ENCODE_SIGNING_PUBKEY_NULL (buf_out ); /* pk | size 35 */ \
_08_01_ENCODE_ACCOUNT_SRC (buf_out, acc ); /* account | size 22 */ \
_08_03_ENCODE_ACCOUNT_DST (buf_out, to_address ); /* account | size 22 */ \
etxn_details((uint32_t)buf_out, 138); /* emitdet | size 138 */ \
}
#define PREPARE_PAYMENT_SIMPLE_TRUSTLINE_SIZE 309
#define PREPARE_PAYMENT_SIMPLE_TRUSTLINE(buf_out_master, tlamt, drops_fee_raw, to_address, dest_tag_raw, src_tag_raw)\
{\
uint8_t* buf_out = buf_out_master;\
uint8_t acc[20];\
uint64_t drops_fee = (drops_fee_raw);\
uint32_t dest_tag = (dest_tag_raw);\
uint32_t src_tag = (src_tag_raw);\
uint32_t cls = (uint32_t)ledger_seq();\
hook_account(SBUF(acc));\
_01_02_ENCODE_TT (buf_out, ttPAYMENT ); /* uint16 | size 3 */ \
_02_02_ENCODE_FLAGS (buf_out, tfCANONICAL ); /* uint32 | size 5 */ \
_02_03_ENCODE_TAG_SRC (buf_out, src_tag ); /* uint32 | size 5 */ \
_02_04_ENCODE_SEQUENCE (buf_out, 0 ); /* uint32 | size 5 */ \
_02_14_ENCODE_TAG_DST (buf_out, dest_tag ); /* uint32 | size 5 */ \
_02_26_ENCODE_FLS (buf_out, cls + 1 ); /* uint32 | size 6 */ \
_02_27_ENCODE_LLS (buf_out, cls + 5 ); /* uint32 | size 6 */ \
_06_01_ENCODE_TL_AMOUNT (buf_out, tlamt ); /* amount | size 48 */ \
_06_08_ENCODE_DROPS_FEE (buf_out, drops_fee ); /* amount | size 9 */ \
_07_03_ENCODE_SIGNING_PUBKEY_NULL (buf_out ); /* pk | size 35 */ \
_08_01_ENCODE_ACCOUNT_SRC (buf_out, acc ); /* account | size 22 */ \
_08_03_ENCODE_ACCOUNT_DST (buf_out, to_address ); /* account | size 22 */ \
etxn_details((uint32_t)buf_out, 138); /* emitdet | size 138 */ \
}
#endif
Raw
sfcodes.h
/**
* This file contains programmatically generated sf field codes
*/
#define sfCloseResolution ((16U << 16U) + 1U)
#define sfMethod ((16U << 16U) + 2U)
#define sfTransactionResult ((16U << 16U) + 3U)
#define sfTickSize ((16U << 16U) + 16U)
#define sfUNLModifyDisabling ((16U << 16U) + 17U)
#define sfHookResult ((16U << 16U) + 18U)
#define sfLedgerEntryType ((1U << 16U) + 1U)
#define sfTransactionType ((1U << 16U) + 2U)
#define sfSignerWeight ((1U << 16U) + 3U)
#define sfTransferFee ((1U << 16U) + 4U)
#define sfVersion ((1U << 16U) + 16U)
#define sfHookStateChangeCount ((1U << 16U) + 17U)
#define sfHookEmitCount ((1U << 16U) + 18U)
#define sfHookExecutionIndex ((1U << 16U) + 19U)
#define sfHookApiVersion ((1U << 16U) + 20U)
#define sfFlags ((2U << 16U) + 2U)
#define sfSourceTag ((2U << 16U) + 3U)
#define sfSequence ((2U << 16U) + 4U)
#define sfPreviousTxnLgrSeq ((2U << 16U) + 5U)
#define sfLedgerSequence ((2U << 16U) + 6U)
#define sfCloseTime ((2U << 16U) + 7U)
#define sfParentCloseTime ((2U << 16U) + 8U)
#define sfSigningTime ((2U << 16U) + 9U)
#define sfExpiration ((2U << 16U) + 10U)
#define sfTransferRate ((2U << 16U) + 11U)
#define sfWalletSize ((2U << 16U) + 12U)
#define sfOwnerCount ((2U << 16U) + 13U)
#define sfDestinationTag ((2U << 16U) + 14U)
#define sfHighQualityIn ((2U << 16U) + 16U)
#define sfHighQualityOut ((2U << 16U) + 17U)
#define sfLowQualityIn ((2U << 16U) + 18U)
#define sfLowQualityOut ((2U << 16U) + 19U)
#define sfQualityIn ((2U << 16U) + 20U)
#define sfQualityOut ((2U << 16U) + 21U)
#define sfStampEscrow ((2U << 16U) + 22U)
#define sfBondAmount ((2U << 16U) + 23U)
#define sfLoadFee ((2U << 16U) + 24U)
#define sfOfferSequence ((2U << 16U) + 25U)
#define sfFirstLedgerSequence ((2U << 16U) + 26U)
#define sfLastLedgerSequence ((2U << 16U) + 27U)
#define sfTransactionIndex ((2U << 16U) + 28U)
#define sfOperationLimit ((2U << 16U) + 29U)
#define sfReferenceFeeUnits ((2U << 16U) + 30U)
#define sfReserveBase ((2U << 16U) + 31U)
#define sfReserveIncrement ((2U << 16U) + 32U)
#define sfSetFlag ((2U << 16U) + 33U)
#define sfClearFlag ((2U << 16U) + 34U)
#define sfSignerQuorum ((2U << 16U) + 35U)
#define sfCancelAfter ((2U << 16U) + 36U)
#define sfFinishAfter ((2U << 16U) + 37U)
#define sfSignerListID ((2U << 16U) + 38U)
#define sfSettleDelay ((2U << 16U) + 39U)
#define sfTicketCount ((2U << 16U) + 40U)
#define sfTicketSequence ((2U << 16U) + 41U)
#define sfTokenTaxon ((2U << 16U) + 42U)
#define sfMintedTokens ((2U << 16U) + 43U)
#define sfBurnedTokens ((2U << 16U) + 44U)
#define sfHookStateCount ((2U << 16U) + 45U)
#define sfEmitGeneration ((2U << 16U) + 46U)
#define sfIndexNext ((3U << 16U) + 1U)
#define sfIndexPrevious ((3U << 16U) + 2U)
#define sfBookNode ((3U << 16U) + 3U)
#define sfOwnerNode ((3U << 16U) + 4U)
#define sfBaseFee ((3U << 16U) + 5U)
#define sfExchangeRate ((3U << 16U) + 6U)
#define sfLowNode ((3U << 16U) + 7U)
#define sfHighNode ((3U << 16U) + 8U)
#define sfDestinationNode ((3U << 16U) + 9U)
#define sfCookie ((3U << 16U) + 10U)
#define sfServerVersion ((3U << 16U) + 11U)
#define sfOfferNode ((3U << 16U) + 12U)
#define sfEmitBurden ((3U << 16U) + 13U)
#define sfHookOn ((3U << 16U) + 16U)
#define sfHookInstructionCount ((3U << 16U) + 17U)
#define sfHookReturnCode ((3U << 16U) + 18U)
#define sfReferenceCount ((3U << 16U) + 19U)
#define sfEmailHash ((4U << 16U) + 1U)
#define sfTakerPaysCurrency ((17U << 16U) + 1U)
#define sfTakerPaysIssuer ((17U << 16U) + 2U)
#define sfTakerGetsCurrency ((17U << 16U) + 3U)
#define sfTakerGetsIssuer ((17U << 16U) + 4U)
#define sfLedgerHash ((5U << 16U) + 1U)
#define sfParentHash ((5U << 16U) + 2U)
#define sfTransactionHash ((5U << 16U) + 3U)
#define sfAccountHash ((5U << 16U) + 4U)
#define sfPreviousTxnID ((5U << 16U) + 5U)
#define sfLedgerIndex ((5U << 16U) + 6U)
#define sfWalletLocator ((5U << 16U) + 7U)
#define sfRootIndex ((5U << 16U) + 8U)
#define sfAccountTxnID ((5U << 16U) + 9U)
#define sfTokenID ((5U << 16U) + 10U)
#define sfEmitParentTxnID ((5U << 16U) + 11U)
#define sfEmitNonce ((5U << 16U) + 12U)
#define sfEmitHookHash ((5U << 16U) + 13U)
#define sfBookDirectory ((5U << 16U) + 16U)
#define sfInvoiceID ((5U << 16U) + 17U)
#define sfNickname ((5U << 16U) + 18U)
#define sfAmendment ((5U << 16U) + 19U)
#define sfDigest ((5U << 16U) + 21U)
#define sfChannel ((5U << 16U) + 22U)
#define sfConsensusHash ((5U << 16U) + 23U)
#define sfCheckID ((5U << 16U) + 24U)
#define sfValidatedHash ((5U << 16U) + 25U)
#define sfPreviousPageMin ((5U << 16U) + 26U)
#define sfNextPageMin ((5U << 16U) + 27U)
#define sfBuyOffer ((5U << 16U) + 28U)
#define sfSellOffer ((5U << 16U) + 29U)
#define sfHookStateKey ((5U << 16U) + 30U)
#define sfHookHash ((5U << 16U) + 31U)
#define sfHookNamespace ((5U << 16U) + 32U)
#define sfHookSetTxnID ((5U << 16U) + 33U)
#define sfAmount ((6U << 16U) + 1U)
#define sfBalance ((6U << 16U) + 2U)
#define sfLimitAmount ((6U << 16U) + 3U)
#define sfTakerPays ((6U << 16U) + 4U)
#define sfTakerGets ((6U << 16U) + 5U)
#define sfLowLimit ((6U << 16U) + 6U)
#define sfHighLimit ((6U << 16U) + 7U)
#define sfFee ((6U << 16U) + 8U)
#define sfSendMax ((6U << 16U) + 9U)
#define sfDeliverMin ((6U << 16U) + 10U)
#define sfMinimumOffer ((6U << 16U) + 16U)
#define sfRippleEscrow ((6U << 16U) + 17U)
#define sfDeliveredAmount ((6U << 16U) + 18U)
#define sfBrokerFee ((6U << 16U) + 19U)
#define sfPublicKey ((7U << 16U) + 1U)
#define sfMessageKey ((7U << 16U) + 2U)
#define sfSigningPubKey ((7U << 16U) + 3U)
#define sfTxnSignature ((7U << 16U) + 4U)
#define sfURI ((7U << 16U) + 5U)
#define sfSignature ((7U << 16U) + 6U)
#define sfDomain ((7U << 16U) + 7U)
#define sfFundCode ((7U << 16U) + 8U)
#define sfRemoveCode ((7U << 16U) + 9U)
#define sfExpireCode ((7U << 16U) + 10U)
#define sfCreateCode ((7U << 16U) + 11U)
#define sfMemoType ((7U << 16U) + 12U)
#define sfMemoData ((7U << 16U) + 13U)
#define sfMemoFormat ((7U << 16U) + 14U)
#define sfFulfillment ((7U << 16U) + 16U)
#define sfCondition ((7U << 16U) + 17U)
#define sfMasterSignature ((7U << 16U) + 18U)
#define sfUNLModifyValidator ((7U << 16U) + 19U)
#define sfValidatorToDisable ((7U << 16U) + 20U)
#define sfValidatorToReEnable ((7U << 16U) + 21U)
#define sfHookStateData ((7U << 16U) + 22U)
#define sfHookReturnString ((7U << 16U) + 23U)
#define sfHookParameterName ((7U << 16U) + 24U)
#define sfHookParameterValue ((7U << 16U) + 25U)
#define sfAccount ((8U << 16U) + 1U)
#define sfOwner ((8U << 16U) + 2U)
#define sfDestination ((8U << 16U) + 3U)
#define sfIssuer ((8U << 16U) + 4U)
#define sfAuthorize ((8U << 16U) + 5U)
#define sfUnauthorize ((8U << 16U) + 6U)
#define sfRegularKey ((8U << 16U) + 8U)
#define sfMinter ((8U << 16U) + 9U)
#define sfEmitCallback ((8U << 16U) + 10U)
#define sfHookAccount ((8U << 16U) + 16U)
#define sfIndexes ((19U << 16U) + 1U)
#define sfHashes ((19U << 16U) + 2U)
#define sfAmendments ((19U << 16U) + 3U)
#define sfTokenOffers ((19U << 16U) + 4U)
#define sfPaths ((18U << 16U) + 1U)
#define sfTransactionMetaData ((14U << 16U) + 2U)
#define sfCreatedNode ((14U << 16U) + 3U)
#define sfDeletedNode ((14U << 16U) + 4U)
#define sfModifiedNode ((14U << 16U) + 5U)
#define sfPreviousFields ((14U << 16U) + 6U)
#define sfFinalFields ((14U << 16U) + 7U)
#define sfNewFields ((14U << 16U) + 8U)
#define sfTemplateEntry ((14U << 16U) + 9U)
#define sfMemo ((14U << 16U) + 10U)
#define sfSignerEntry ((14U << 16U) + 11U)
#define sfNonFungibleToken ((14U << 16U) + 12U)
#define sfEmitDetails ((14U << 16U) + 13U)
#define sfHook ((14U << 16U) + 14U)
#define sfSigner ((14U << 16U) + 16U)
#define sfMajority ((14U << 16U) + 18U)
#define sfDisabledValidator ((14U << 16U) + 19U)
#define sfEmittedTxn ((14U << 16U) + 20U)
#define sfHookExecution ((14U << 16U) + 21U)
#define sfHookDefinition ((14U << 16U) + 22U)
#define sfHookParameter ((14U << 16U) + 23U)
#define sfHookGrant ((14U << 16U) + 24U)
#define sfSigners ((15U << 16U) + 3U)
#define sfSignerEntries ((15U << 16U) + 4U)
#define sfTemplate ((15U << 16U) + 5U)
#define sfNecessary ((15U << 16U) + 6U)
#define sfSufficient ((15U << 16U) + 7U)
#define sfAffectedNodes ((15U << 16U) + 8U)
#define sfMemos ((15U << 16U) + 9U)
#define sfNonFungibleTokens ((15U << 16U) + 10U)
#define sfHooks ((15U << 16U) + 11U)
#define sfMajorities ((15U << 16U) + 16U)
#define sfDisabledValidators ((15U << 16U) + 17U)
#define sfHookExecutions ((15U << 16U) + 18U)
#define sfHookParameters ((15U << 16U) + 19U)
#define sfHookGrants ((15U << 16U) + 20U)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment