Set travis to do 1,000,000 hfuzz steps

.travis.yml

@@ -5,9 +5,18 @@ rust:
   - nightly
   - 1.14.0
 
+before_install:
+  - sudo apt-get -qq update
+  - sudo apt-get install -y binutils-dev libunwind8-dev
+
 install:
   - git clone https://github.com/bitcoin/secp256k1.git
   - cd secp256k1
   - ./autogen.sh && ./configure && make && sudo make install
   - sudo ldconfig /usr/local/lib
+  - cd ..
 
+script:
+  - cargo build --verbose
+  - cargo test --verbose
+  - if [ "$(rustup show | grep default | grep stable)" != "" ]; then cd fuzz && cargo test --verbose && ./travis-fuzz.sh; fi

fuzz/travis-fuzz.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+cargo install honggfuzz
+set +e
+for TARGET in fuzz_targets/*; do
+    FILENAME=$(basename $TARGET)
+	FILE="${FILENAME%.*}"
+	HFUZZ_BUILD_ARGS="--features honggfuzz_fuzz" HFUZZ_RUN_ARGS="-N1000000 --exit_upon_crash -v" cargo hfuzz run $FILE
+	if [ -f hfuzz_workspace/$FILE/HONGGFUZZ.REPORT.TXT ]; then 
+		cat hfuzz_workspace/$FILE/HONGGFUZZ.REPORT.TXT
+		for CASE in hfuzz_workspace/$FILE/SIG*; do
+			cat $CASE | xxd -p
+		done
+		exit 1
+	fi
+done