69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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/* Copyright (c) 2015 Ryan Castellucci, All Rights Reserved */
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#ifndef __BRAINFLAYER_BLOOM_H_
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#define __BRAINFLAYER_BLOOM_H_
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#include <stdint.h>
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/* 2^32 bits */
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#define BLOOM_SIZE (512*1024*1024)
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#define BLOOM_SET_BIT(N) (bloom[(N)>>3] = bloom[(N)>>3] | (1<<((N)&7)))
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#define BLOOM_GET_BIT(N) ( ( bloom[(N)>>3]>>((N)&7) )&1)
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#define BH00(N) (N[0])
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#define BH01(N) (N[1])
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#define BH02(N) (N[2])
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#define BH03(N) (N[3])
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#define BH04(N) (N[4])
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#define BH05(N) (N[0]<<16|N[1]>>16)
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#define BH06(N) (N[1]<<16|N[2]>>16)
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#define BH07(N) (N[2]<<16|N[3]>>16)
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#define BH08(N) (N[3]<<16|N[4]>>16)
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#define BH09(N) (N[4]<<16|N[0]>>16)
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#define BH10(N) (N[0]<< 8|N[1]>>24)
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#define BH11(N) (N[1]<< 8|N[2]>>24)
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#define BH12(N) (N[2]<< 8|N[3]>>24)
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#define BH13(N) (N[3]<< 8|N[4]>>24)
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#define BH14(N) (N[4]<< 8|N[0]>>24)
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#define BH15(N) (N[0]<<24|N[1]>> 8)
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#define BH16(N) (N[1]<<24|N[2]>> 8)
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#define BH17(N) (N[2]<<24|N[3]>> 8)
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#define BH18(N) (N[3]<<24|N[4]>> 8)
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#define BH19(N) (N[4]<<24|N[0]>> 8)
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void bloom_set_hash160(unsigned char *, uint32_t *);
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inline unsigned int bloom_chk_hash160(unsigned char *bloom, uint32_t *h) {
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unsigned int t;
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t = BH00(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH01(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH02(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH03(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH04(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH05(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH06(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH07(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH08(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH09(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH10(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH11(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH12(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH13(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH14(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH15(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH16(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH17(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH18(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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t = BH19(h); if (BLOOM_GET_BIT(t) == 0) { return 0; }
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return 1;
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}
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//#define bloom_new() malloc(536870912)
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//unsigned char * bloom_load(unsigned char *);
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//int bloom_save(unsigned char *, unsigned char *);
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/* vim: set ts=2 sw=2 et ai si: */
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#endif /* __BRAINFLAYER_BLOOM_H_ */
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