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873 commits

Author SHA1 Message Date
Roman Khimov
fdbaac7a30 network: prevent broadcast queue starving, share time with p2p 
Blocked broadcast queue of one peer may affect broadcasting capabilities of
the server, so prevent total blocking of it by p2p queue.
 2020-01-30 14:03:52 +03:00
Roman Khimov
b2c4587dad network: fix PeerAddr() for not-yet-handshaked case 
If we have already got Version message, we don't need the rest of handshake to
complete before being able to properly answer the PeerAddr() requests. Fixes
some duplicate connections between machines.
 2020-01-30 14:03:52 +03:00
Roman Khimov
49bd7aada5 network: log peerCount on connection registration 
Symmetrical to disconnects, make it easier to look through the logs.
 2020-01-30 14:03:52 +03:00
Roman Khimov
32695b4f40 network: don't unregister connected peers 
If we drop connection because we're already connected don't unregister this
connected address because it's connected anyway!
 2020-01-30 14:03:52 +03:00
Roman Khimov
eb4ec61b8b network: register connected addr in handleVersionCmd() 
Prevent useless attempts to connect to this peer if the peer has already made
a connection to us.
 2020-01-30 14:03:52 +03:00
Roman Khimov
9eafec0d1d network: introduce peer-to-peer message queue 
This one is designed to give more priority to direct nodes communication, that
is that their messaging would have more priority than generic broadcasts. It
should improve consensus process under TX pressure and allow to handle
pings in time (preventing disconnects).
 2020-01-30 14:03:52 +03:00
Roman Khimov
72e4eb7172 network: fix wrong NewPing() parameters 
They have the opposite order, height first and nonce second. It was done wrong
in 4e6ed902 and never fixed since. Fixes sending wrong peer state leading to
useless getheaders messages (and disconnects when the other side is lagging
behind).
 2020-01-30 14:03:52 +03:00
Roman Khimov
da09fda575 network: add debug on message receival 2020-01-30 14:03:52 +03:00
Roman Khimov
1c28dd2567 network: add message type to disconnect error message 
If it was caused by message processing, but only after the handshake to
preserve errIdenticalID and other handshaking errors.
 2020-01-30 14:03:52 +03:00
Roman Khimov
b79abd1e27 network: detect duplicate connections before handshake completes 
We can have more than one connection attempt in progress and not yet completed
the handshake, so if there is a Version already received we should look it.
 2020-01-30 14:03:52 +03:00
Roman Khimov
b1b660c779 rpc: fix getaccountstate/getunspents for unknown addresses 
Returning error string as a result (not an error) is utterly wrong, but C#
implementation just returns a zero balance for unknown addresses, so we should
follow that.
 2020-01-29 19:01:00 +03:00
Roman Khimov
0ccc59628c
Merge pull request #631 from nspcc-dev/fix/return3 
compiler: fix a bug with assignment to underscore
 2020-01-29 18:32:43 +03:00
Evgenii Stratonikov
390bf58f97 consensus: use our implementations of Recovery* messages 
While decoding payload, local implementations of Recovery*
messages were used, but when creating RecoveryMessage inside dBFT
library default NewRecoveryMessage was invoked. This lead to parsing
errors.
 2020-01-29 17:56:26 +03:00
Evgenii Stratonikov
8b922c057c compiler: fix a bug with assignment to underscore 
When using underscore it does not appear in the list
of local variables, so it can't be assigned.
In this commit the value is dropped.
 2020-01-29 17:07:55 +03:00
Evgenii Stratonikov
7053b3b2c0 compiler: optimize append argument processing 
Append should leave it's result on top of the stack.
Thus we need to transform top of the stack:
(top) a . b --> (top) a . b . b
It can be done with just OVER + SWAP.
 2020-01-29 12:28:38 +03:00
Evgenii Stratonikov
b6629fb6bd compiler: refactor argument handling for builtins 
It is more convenient to have all unusual logic in one place.
 2020-01-29 12:28:38 +03:00
Evgenii Stratonikov
d2326a8b96 compiler: support panic in source 
In situations where VM's FAULT state needs to be reached,
panic function can be used. It compiles to THROW instruction.
 2020-01-29 12:28:38 +03:00
Evgenii Stratonikov
e0f47decc7 compiler: replace ROLL(2) with equivalent ROT 2020-01-29 09:56:16 +03:00
Evgenii Stratonikov
28571bd3dc compiler: implement switch statement support 2020-01-29 09:56:16 +03:00
Roman Khimov
0ce0ecb95e
Merge pull request #624 from nspcc-dev/feature/bigint 
compiler: emit integers correctly
 2020-01-28 18:04:32 +03:00
Roman Khimov
ab03aee2cf
Merge pull request #627 from nspcc-dev/fix-getdata-and-pings 
Fix getdata and pings
 2020-01-28 17:43:13 +03:00
Roman Khimov
06c3fbe455 network: rework ping sends, fix overpinging 
Our node was too pingy because of wrong timer setups (that divided timeout
Duration by time.Second), it also was wrong in its time calculations (using
UTC time to calculate intervals). At the same time missing block is a
server-wide problem, so it's better solved with server-wide protocol loop.
 2020-01-28 17:39:52 +03:00
Roman Khimov
39800aecb3 network: fix getdata handling 
It was broken by 0ba6b2a7, the peer only responded with one message instead of
full requested set.
 2020-01-28 17:39:52 +03:00
Evgenii Stratonikov
d190b3a2e0 compiler: emit integers correctly 
A while ago VM serialization format for Integer items was changed
but compiler continued to emit Integers in old format.
This commit changes compiler behaviour to be compatible with VM.
 2020-01-28 16:39:19 +03:00
Evgenii Stratonikov
f15ceff592 vm: make IntToBytes, BytesToInt public 
VM serialization format should be able to be reused.
 2020-01-28 16:39:19 +03:00
Evgenii Stratonikov
77f9a2ee26 compiler: convert AppCall parameter from string properly 2020-01-27 15:34:03 +03:00
Evgenii Stratonikov
d65d6ab08d compiler: allow to convert string constants to []byte 
Also load constant directly into stack, not by name.
 2020-01-27 15:29:52 +03:00
Evgenii Stratonikov
097d35b9d5 compiler: fix a bug with FromAddress handling 
Conversion of string to address with FromAddress is performed
at compile time so there is no need to push parameters on stack.
 2020-01-27 13:14:40 +03:00
Evgenii Stratonikov
330db36168 compiler: implement engine.AppCall interop 2020-01-27 13:14:36 +03:00
Evgenii Stratonikov
4fd766fe09 compiler: allow usage of string literals in index expressions 2020-01-23 17:28:35 +03:00
Evgenii Stratonikov
058958729d compiler: support map literals 2020-01-23 17:06:15 +03:00
Evgenii Stratonikov
def73db8e9 compiler: support variables in slice literals 2020-01-23 15:51:16 +03:00
Evgeniy Kulikov
eb59460032
Merge pull request #614 from nspcc-dev/configurable-mempool-size 
config: add MemPoolSize configuration parameter
 2020-01-23 13:25:27 +03:00
Roman Khimov
67fe99b0ba
Merge pull request #618 from nspcc-dev/feature/for 
compiler: support for loops with no init/post condition
 2020-01-23 13:19:55 +03:00
Roman Khimov
04db87c770
Merge pull request #617 from nspcc-dev/feature/checksig 
compiler: implement ECDSA signature verification
 2020-01-23 13:18:21 +03:00
Roman Khimov
9aa5d0cf1e
Merge pull request #615 from nspcc-dev/network-peer-updates 
Network peer updates
 2020-01-23 13:15:43 +03:00
Roman Khimov
d6784e8f45 config: add MemPoolSize configuration parameter 
Allow tuning/experimenting with mempool.
 2020-01-23 13:10:44 +03:00
Evgenii Stratonikov
328267ca6f compiler: support for loops with no init/post condition 
Make it possible to use `for` loop with a single condition.
 2020-01-23 11:48:43 +03:00
Evgenii Stratonikov
bd37359393 compiler: implement ECDSA signature verification 
Add VerifySignature interop for signature verification.
It is converted to VERIFY opcode.
 2020-01-23 10:56:15 +03:00
Evgenii Stratonikov
303b82cc44 core: set free GAS limit via config 2020-01-22 14:32:21 +03:00
Evgenii Stratonikov
54e0b5a4a7 rpc: set MaxGasInvoke in config 
Implement ability to restrict maximum amount of GAS
available for free RPC calls.
 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
4718375db1 rpc: return amount of consumed GAS in invoke* 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
2f865480d3 util: add YAML marshaler to Fixed8 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
7a6d6f43ce vm: get rid of recursive (*VM).execute calls 
Recursive execute() calls can affect gas calculation.
This commit makes execute() be called only for real opcodes
and moves duplicate logic for CALL/JMP into a separate function.
 2020-01-22 14:31:57 +03:00
Evgenii Stratonikov
4eae55143f core: restrict GAS available for invocation transactions 
There are 10 GAS available for free plus any amount of GAS
attached to a transaction.
 2020-01-22 14:31:54 +03:00
Evgenii Stratonikov
d72d978a19 vm: abstract out GetInterop() function 2020-01-22 14:04:40 +03:00
Evgenii Stratonikov
c22d09adad vm: set GAS limit 
Make it possible to set maximum amount of GAS which can be spent
during execution.
 2020-01-22 14:04:40 +03:00
Evgenii Stratonikov
0662a7e3c2 vm: calculate GAS spent during execution 
If getPrice callback is provided, accumulate spent GAS.
 2020-01-22 14:04:40 +03:00
Roman Khimov
99dfdc19e7 network: drop now useless addrReq queue from the server 
Just broadcast a high-priority message to everyone.
 2020-01-22 11:28:59 +03:00
Roman Khimov
ea3b76ded1 network: make NewServer return an error, fix #612 
It can return nil in two cases, so we're better return an error and handle
it.
 2020-01-22 11:17:51 +03:00