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https://github.com/Xahau/xahaud.git
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134 lines
3.5 KiB
C
134 lines
3.5 KiB
C
#include "hookapi.h"
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//#define REWARD_DELAY 2600000LL
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#define REWARD_DELAY 60LL
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#define REWARD_MULTIPLIER 0.00333333333f
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#define ASSERT(x)\
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if (!(x))\
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rollback(0,0,__LINE__);
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int64_t hook(uint32_t r)
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{
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etxn_reserve(1);
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_g(1,1);
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uint8_t ttbuf[16];
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int64_t br = otxn_field(SBUF(ttbuf), sfTransactionType);
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uint32_t txntype = ((uint32_t)(ttbuf[0]) << 16U) + ((uint32_t)(ttbuf[1]));
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if (txntype != 98)
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accept(0,0,0);
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// get the account id
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uint8_t account_field[20];
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ASSERT(otxn_field(SBUF(account_field), sfAccount) == 20);
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uint8_t hook_accid[20];
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hook_account(SBUF(hook_accid));
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int equal = 0; BUFFER_EQUAL(equal, hook_accid, account_field, 20);
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if (equal)
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accept(0,0,0);
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// get the account root keylet
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uint8_t kl[34];
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ASSERT(util_keylet(SBUF(kl), KEYLET_ACCOUNT, SBUF(account_field), 0,0,0,0) == 34);
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// slot the account root
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ASSERT(slot_set(SBUF(kl), 1) == 1);
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int64_t accum_slot = slot_subfield(1, sfRewardAccumulator, 2);
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// this is a first time claim reward has run and will setup these fields
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if (accum_slot == DOESNT_EXIST)
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accept(0,0,0);
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// this is an actual claim reward
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ASSERT(accum_slot == 2);
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ASSERT(slot_subfield(1, sfRewardLgrFirst, 3) == 3);
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ASSERT(slot_subfield(1, sfRewardLgrLast, 4) == 4);
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ASSERT(slot_subfield(1, sfBalance, 5) == 5);
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ASSERT(slot_subfield(1, sfRewardTime, 6) == 6);
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int64_t time = slot(0,0,6);
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int64_t time_elapsed = ledger_last_time() - time;
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if (time_elapsed < REWARD_DELAY)
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{
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uint8_t msg_buf[] =
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{
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'Y','o','u',' ','m','u','s','t', // 8
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' ','w','a','i','t',' ', //+6 = 14
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'0','0','0','0','0','0','0',
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' ','s','e','c','o','n','d','s' };
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//2 600 000
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time_elapsed = REWARD_DELAY - time_elapsed;
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msg_buf[14] += (time_elapsed / 1000000) % 10;
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msg_buf[15] += (time_elapsed / 100000) % 10;
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msg_buf[16] += (time_elapsed / 10000) % 10;
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msg_buf[17] += (time_elapsed / 1000) % 10;
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msg_buf[18] += (time_elapsed / 100) % 10;
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msg_buf[19] += (time_elapsed / 10) % 10;
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msg_buf[20] += (time_elapsed ) % 10;
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rollback(SBUF(msg_buf), time_elapsed);
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}
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int64_t accumulator = slot(0,0,2);
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int64_t first = slot(0,0,3);
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int64_t last = slot(0,0,4);
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int64_t bal = slot(0,0,5);
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TRACEVAR(accumulator);
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TRACEVAR(first);
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TRACEVAR(last);
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ASSERT(accumulator > 0 && first > 0 && last > 0);
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// we need to add the final block ourselves
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int64_t cur = ledger_seq();
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int64_t elapsed = cur - first;
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ASSERT(elapsed > 0);
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int64_t elapsed_since_last = ledger_seq() - last;
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bal &= ~0xE000000000000000ULL;
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bal /= 1000000LL;
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TRACEVAR(bal);
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TRACEVAR(accumulator);
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if (bal > 0 && elapsed_since_last > 0)
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accumulator += bal * elapsed_since_last;
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TRACEVAR(accumulator);
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int64_t reward = (int64_t)(((REWARD_MULTIPLIER * (double)accumulator)) / ((double)elapsed));
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TRACEVAR(reward);
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int64_t reward_drops = reward * 1000000ULL;
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ASSERT(reward_drops > reward);
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TRACEVAR(reward_drops);
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uint8_t tx[PREPARE_PAYMENT_SIMPLE_SIZE];
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PREPARE_PAYMENT_SIMPLE(tx, reward_drops, account_field, 0, 0);
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// emit the transaction
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uint8_t emithash[32];
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int64_t emit_result = emit(SBUF(emithash), SBUF(tx));
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TRACEVAR(emit_result);
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accept(0,0,0);
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}
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