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Verify hash before downloading

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License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>
This commit is contained in:
Jakub Sztandera 2019-09-10 17:26:53 +02:00
parent 08aaf9fd00
commit a12233ae42
1 changed files with 15 additions and 1 deletions
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16
build/proof-params/paramfetch.sh
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@ -7,4 +7,18 @@ OUT_DIR="/var/tmp/filecoin-proof-parameters"
PARAMS="build/proof-params/parameters.json" PARAMS="build/proof-params/parameters.json"
mkdir -p $OUT_DIR mkdir -p $OUT_DIR
jq '. | to_entries | map("-o '$OUT_DIR'/\(.key) \(.value.cid)") | .[]' --raw-output $PARAMS | xargs -t -L1 ipget --progress $IPGET_PARAMS jq '. | to_entries | map("'$OUT_DIR'/\(.key) \(.value.cid) \(.value.digest)") | .[]' --raw-output $PARAMS | \
while read -r dest cid digest; do
if [[ -f "$dest" ]]; then
b2=$(b2sum "$dest" | head -c 32)
if [[ "$digest" == "$b2" ]]; then
echo "$dest exists and has correct hash"
continue
else
echo "$dest has incorrect hash"
rm -f "$dest"
fi
fi
echo "downloading $dest"
ipget --progress $IPGET_PARAMS -o "$dest" "$cid"
done