# README
MeerXKeccakV1
Meer Header
| version | parent_root | tx_root | state_root | difficulty | time | pow_type | nonce |
|---|---|---|---|---|---|---|---|
| 4 bytes | 32 bytes | 32 bytes | 32 bytes | 4 bytes | 4 bytes | 1 byte | 8 bytes |
QitmeerKeccak256(NewLegacyKeccak512(NewLegacyKeccak512(header))^1)
MeerXKeccakV1 See Golang Code
QitmeerKeccak256 Use PaddingFix See C Code
QitmeerKeccak256 Use PaddingFix See Golang Code
NewLegacyKeccak512 Use Standard Keccak512
Example
input : 117 bytes
HashMeerXKeccakV1(helloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhelloworldhel)
result: 046bb4ee0e487afb53c428f5d18f2875951f80330fe39870011ddac6a9c06b1c
Header assemble example
# example 1
header(117 bytes):12000000c24900a189710157b8d020f2d09068ec4ee1eacae6b38753a6304894d0e2104b80eb912fbeb3b6735a4acfb89fd199e0f0abc50a48dccd52e2245e0619755468000000000000000000000000000000000000000000000000000000000000000068db061fda20d75f088f10000000000000
version : 12000000
parent_root :c24900a189710157b8d020f2d09068ec4ee1eacae6b38753a6304894d0e2104b
tx_root :80eb912fbeb3b6735a4acfb89fd199e0f0abc50a48dccd52e2245e0619755468
state_root :0000000000000000000000000000000000000000000000000000000000000000
difficulty : 68db061f
time :da20d75f
pow_type :08
nonce :8f10000000000000(4239)
target:
0006db6800000000000000000000000000000000000000000000000000000000
meerHash:84499238afb6b544e01032f2ea73d5692ef5d29775daa3a778bfbd2efbb90000
meerHash(reverse):0000b9fb2ebdbf78a7a3da7597d2f52e69d573eaf23210e044b5b6af38924984
Compliance target difficulty
# example 2
header(117 bytes):120000005b42f3a292059337e2097c4077d6578adf4253c63ab74a51d57a3cf330003267b012b719ebfb86d8ea7864307bd0b743980ead38d1f2c06919fc45d6eb604ed9000000000000000000000000000000000000000000000000000000000000000068db061fa421d75f086605000000000000
version : 12000000
parent_root :5b42f3a292059337e2097c4077d6578adf4253c63ab74a51d57a3cf330003267
tx_root :b012b719ebfb86d8ea7864307bd0b743980ead38d1f2c06919fc45d6eb604ed9
state_root :0000000000000000000000000000000000000000000000000000000000000000
difficulty : 68db061f
time :a421d75f
pow_type :08
nonce :6605000000000000(1382)
target:
0006db6800000000000000000000000000000000000000000000000000000000
meerHash:3b94fab4d25980aca4512b86b32bc96fd7cb8f8fdf3f265ffde45f72688e0100
meerHash(reverse):00018e68725fe4fd5f263fdf8f8fcbd76fc92bb3862b51a4ac8059d2b4fa943b
Compliance target difficulty
# Functions
Calculate the hash of hasher over buf.
Decode decodes the byte-reversed hexadecimal string encoding of a Hash to a destination.
DoubleHashB calculates hash(hash(b)) and returns the resulting bytes.
No description provided by the author
DoubleHashH calculates hash(hash(b)) and returns the resulting bytes as a Hash.
No description provided by the author
No description provided by the author
Hash160 calculates the hash ripemd160(hash256(b)).
Hash512B using blake2b calculates 512 bits hash and returns the resulting bytes.
HashB using blake2b calculates 256 bits hash and returns the resulting bytes.
using pool.
CryptoNight calculates hash(b) and returns the resulting bytes as a Hash.
HashH calculates hash(b) and returns the resulting bytes as a Hash.
No description provided by the author
Meer X Keccak V1 calculates hash(b) and returns the resulting bytes as a Hash.
Qitmeer Keccak256 calculates hash(b) and returns the resulting bytes as a Hash.
HashX16rv3 calculates hash(b) and returns the resulting bytes as a Hash.
HashX8r16 calculates hash(b) and returns the resulting bytes as a Hash.
convert []byte to a byte-reversed hash, Must means it panics for invalid input.
convert []byte to a hash, Must means it panics for invalid input.
convert hex string to a byte-reversed hash, Must means it panics for invalid input.
convert hex string to a hash.
NewHash returns a new Hash from a byte slice.
NewHashFromStr creates a Hash from a hash string.
# Constants
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
No description provided by the author
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
MaxHashStringSize is the maximum length of a Hash hash string.
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
TODO refactoring hasher consider to integrated https://github.com/multiformats/go-multihash.
# Variables
ErrHashStrSize describes an error that indicates the caller specified a hash string that has too many characters.
No description provided by the author
# Interfaces
No description provided by the author