Initial commit.

.gitignore

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+# Temp files
+*~
+
+# Log files
+*.log
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe 

README.md

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+btcchain
+========
+
+Package btcchain implements bitcoin block handling and chain selection rules.