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@@ -1,3 +1,155 @@
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+Version ??? - Future
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+
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+- Major upgrade - support for the stratum mining protocol.
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+- Fix various modminer warnings on mingw.
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+- Fix sign warning on windows build for bitforce.
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+- Cast socketfail to integer since SOCKET is an unsigned int on windows.
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+- Use strtod not strtol for bitforce temp backup.
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+- Cope with broken drivers returning nonsense values for bitforce temperatures.
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+- Minor warning fixes.
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+- Use the stratum thread to detect when a stratum pool has died based on no
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+message for 2 minutes.
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+- Only set the stratum auth flag once and once the stratum thread is started,
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+use that to set/unset the stratum active flag.
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+- Only hand off to stratum from getwork if we succeed in initiating the
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+protocol.
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+- Target should only be 32 bytes copied.
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+- Use a static array for work submission data instead of stack memory.
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+- Clear the buffer data before sprinting to it.
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+- Clear work stratum strings before setting them and add them to debug output.
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+- Drop stratum connect failed message to verbose level only since it's a regular
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+probing message.
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+- TCP Keepalive in curl is only in very recent versions and not required with
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+regular messages on stratum anyway.
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+- Move stratum sockets to curl infrastructure with locking around send+recv to
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+begin support for proxies and ssl.
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+- Make detect stratum fail if a proxy has been set up.
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+- Stratum does not currently have any proxy support so do not try to switch to
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+stratum if a proxy has been specified.
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+- Windows doesn't work with MSG_PEEK on recv so move to a continuously updating
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+buffer for incoming messages.
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+- Alloca is unreliable on windows so use static arrays in util.c stratum code.
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+- Begin support for mingw stratum build.
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+- Add space to reject reason.
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+- Parse the reject reason where possible from stratum share submission.
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+- Pass json error value to share result function to be able to parse reject
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+reason in stratum.
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+- Don't try to parse unneeded parameters in response to mining.subscribe.
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+- Remove the sshare hash entry if we failed to send it.
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+- Change notify message to info level to avoid spamming repeatedly when a pool
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+is down.
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+- Check the stratum pool difference has not changed compared to the work diff
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+when testing whether a share meets the target or not and retarget if necessary.
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+- Bit error in target calculation for stratum.
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+- Set work_block in gen_stratum_work for when work is reused to avoid thinking
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+it's all stale.
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+- Offset the current block detection to the prev block hash.
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+- We should be testing for id_val, not id in parse stratum response.
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+- Make target on stratum scale to any size by clearing sequential bits according
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+to diff.
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+- Correct target calculation in gen_stratum_work.
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+- If a share result has an error code but still has an id, it is likely a
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+reject, not an error.
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+- Initiate stratum the first time in pool_active only, allowing us to switch to
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+it on getting a failed getwork and detecting the presence of stratum on the url
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+at that time.
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+- Use 5 second timeout on sock full for now as a temporary workaround.
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+- If no stratum url is set by the end of the detect stratum routine, copy the
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+sockaddr url.
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+- Make all buffers slightly larger to prevent overflow.
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+- Make the stratum recv buffer larger than the recvsize.
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+- Userpass needs to be copied to user and pass earlier to allow stratum
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+authorisation to work with it.
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+- Store a sockaddr url of the stripped url used in determining sockaddr to not
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+confuse it with the stratum url and fix build warnings.
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+- Decrease the queued count with stratum work once it's staged as well.
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+- Allow the stratum retry to initiate and auth stratum in pool_alive to make
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+sure the stratum thread is started.
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+- Avoid duplicating pool->rpc_url and setting pool->stratum_url twice to itself.
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+- Detect if a getwork based pool has the X-Stratum header on startup, and if so,
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+switch to the stratum based pool.
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+- Comment update.
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+- Minor message change.
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+- Create a work item from a "clean" request from stratum allowing the new block
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+to be detected and the appropriate block change message to be given.
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+- Use statically allocated stratum strings in struct work to cope with the
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+inability to safely deallocate dynamically allocated ram.
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+- Use the current pool when deciding whether to reuse work from a stratum source
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+rather than the work's previous pool.
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+- Copy the stratum url to the rpc url to avoid none being set.
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+- Provide locking around stratum send operations to avoid races.
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+- Submit shares from stratum through the abstracted submit share function
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+detecting what message they belong to and showing the data from the associated
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+work, and then deleting it from the hash.
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+- Use a more robust mechanism to obtain a \n terminated string over a socket.
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+- Abstract out share submit as a function to be useable by stratum.
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+- Rename parse_stratum to parse_method as it is only for stratum messages that
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+contain methods.
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+- Display stratum as mechanism in status line when current pool is running it.
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+- Count each stratum notify as a getwork equivalent.
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+- Correct nonce submitted with share.
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+- Extranonce2 should be added before coinbase2.
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+- We should be hashing the binary coinbase, not the hex one.
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+- Fix endianness of nonce submitted for stratum.
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+- Check that stratum is already active in initiate_stratum to avoid
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+de-authorising ourselves by subscribing again.
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+- Begin implementing a hash database of submissions and attempt sending results.
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+- Copy parameters from stratum work required for share submission.
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+- Set lagging flag on first adding a pool to prevent pool slow warning at
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+startup.
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+- Fix work->target being a 32 byte binary in gen_stratum_work.
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+- Store and display stripped url in its own variable.
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+- Create machinery to divert work requests to stratum.
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+- Generate the work target in gen_stratum_work, setting default diff to 1 in
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+case it is not yet set.
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+- Generate work data, midstate and hash1 in gen_stratum_work.
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+- Generate header created from stratum structures in gen_stratum_work.
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+- Generate merkle root hash in gen_stratum_work.
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+- Generate the coinbase for generation of stratum based work.
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+- The number of transactions is variable so make merkle a variable length
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+dynamically allocated array and track how many there are for stratum.
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+- Rename nonce2 to n2size reflecting that it's a size variable and not the
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+actual nonce.
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+- Provide rudimentary support for stratum clean work command in the stratum
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+thread.
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+- Cope with pools being removed in the stratum thread.
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+- Use the pool sock value directly in the stratum thread in case it changes
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+after reconnecting.
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+- Create a stratum thread per pool that has stratum that monitors the socket and
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+serves received data.
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+- Check return value of stratum_parse.
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+- Complete authorisation in stratum.
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+- Implement stratum parsing of notify parameters and storing them in the pool
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+stratum work structure.
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+- Create helper functions for duplicating json strings to avoid keeping json
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+references in use.
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+- Append \n in the sock_send function instead of adding it when constructing
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+json in stratum.
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+- Don't keep any json references around with stratum structures.
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+- Create parse_stratum function that hands off stratum parameters to other
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+functions to manage pool stratum work struct variables. Implement mining
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+difficulty setting.
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+- Create helper functions for checking when a socket is ready to read on and
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+receive a single line at a time. Begin stratum authorisation process.
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+- Provide a helper function for reading a single \n terminated string from a
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+socket.
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+- Create a stratum work structure to store current work variables.
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+- Test specifically for stratum being active in pool_active.
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+- Detect stratum in common place when adding urls, and use a bool to tell us
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+when it's active.
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+- Fix warnings.
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+- Extract and store various parameters on stratum init confirming successful
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+mining notify.
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+- Use existing socket macros and close the socket on failure in init stratum.
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+- Initiate stratum and grab first json result.
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+- Get detailed addressinfo from the parsed URL for future raw socket usage when
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+possible. IPV4 only for now.
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+- Prepare for getaddrinfo call.
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+- Add data structures to pool struct for socket communications.
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+- Put all socket definitions in util.h to allow reusing by added socket
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+functions to be used in util.c.
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+
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+
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BFGMiner Version 2.8.2 - October 8, 2012
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- Update to libblkmaker 0.1.2
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Luke Dashjr