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Extend API with functions required in Stratum

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This commit is contained in:
Juraj Hlista 2019-04-11 21:44:14 +07:00
parent 9ff46af119
commit 083c2a0f87
2 changed files with 20 additions and 6 deletions
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6
src/aeminer_blake2b_256.erl
View File

@ -6,12 +6,14 @@
hash/0 hash/0
]). ]).
-define(HASH_BYTES_SIZE, 32).
-type hashable() :: binary(). -type hashable() :: binary().
-type hash() :: binary(). -type hash() :: <<_:(?HASH_BYTES_SIZE * 8)>>.
-spec hash(hashable()) -> hash(). -spec hash(hashable()) -> hash().
hash(Bin) -> hash(Bin) ->
{ok, Hash} = enacl:generichash(32, Bin), {ok, Hash} = enacl:generichash(?HASH_BYTES_SIZE, Bin),
Hash. Hash.

18
src/aeminer_pow_cuckoo.erl
View File

@ -24,13 +24,16 @@
get_node_size/1 get_node_size/1
]). ]).
-export([generate/5, -export([hash_data/1,
generate/5,
generate_from_hash/5,
verify/5, verify/5,
verify_proof/4, verify_proof/4,
get_target/2 get_target/2
]). ]).
-export_type([hashable/0, -export_type([hashable/0,
hash/0,
exec/0, exec/0,
exec_group/0, exec_group/0,
extra_args/0, extra_args/0,
@ -53,6 +56,8 @@
-type hashable() :: aeminer_blake2b_256:hashable(). -type hashable() :: aeminer_blake2b_256:hashable().
-type hash() :: aeminer_blake2b_256:hash().
-type nonce() :: aeminer_pow:nonce(). -type nonce() :: aeminer_pow:nonce().
-type int_target() :: aeminer_pow:int_target(). -type int_target() :: aeminer_pow:int_target().
@ -152,6 +157,10 @@ extra_args(#config{extra_args = ExtraArgs}) ->
hex_enc_header(#config{hex_enc_header = HexEncHdr}) -> hex_enc_header(#config{hex_enc_header = HexEncHdr}) ->
HexEncHdr. HexEncHdr.
-spec hash_data(hashable()) -> hash().
hash_data(Data) ->
aeminer_blake2b_256:hash(Data).
%%------------------------------------------------------------------------------ %%------------------------------------------------------------------------------
%% Proof of Work generation with default settings %% Proof of Work generation with default settings
%% %%
@ -173,9 +182,12 @@ hex_enc_header(#config{hex_enc_header = HexEncHdr}) ->
{ok, {nonce(), solution()}} | {error, no_solution} | {error, {runtime, term()}}. {ok, {nonce(), solution()}} | {error, no_solution} | {error, {runtime, term()}}.
generate(Data, Target, Nonce, Config, Instance) when generate(Data, Target, Nonce, Config, Instance) when
Nonce >= 0, Nonce =< ?MAX_NONCE -> Nonce >= 0, Nonce =< ?MAX_NONCE ->
%% Hash Data and convert the resulting binary to a base64 string for Cuckoo
%% Since this hash is purely internal, we don't use api encoding
Hash = aeminer_blake2b_256:hash(Data), Hash = aeminer_blake2b_256:hash(Data),
generate_from_hash(Hash, Target, Nonce, Config, Instance).
-spec generate_from_hash(hash(), sci_target(), nonce(), config(), instance()) ->
{ok, {nonce(), solution()}} | {error, no_solution} | {error, {runtime, term()}}.
generate_from_hash(Hash, Target, Nonce, Config, Instance) ->
Hash64 = base64:encode_to_string(Hash), Hash64 = base64:encode_to_string(Hash),
?debug("Generating solution for data hash ~p and nonce ~p with target ~p.", ?debug("Generating solution for data hash ~p and nonce ~p with target ~p.",
[Hash, Nonce, Target]), [Hash, Nonce, Target]),