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Save garethtdavies/0a6a5b7be7a5fe34438d62ca3587797f to your computer and use it in GitHub Desktop.
gareth@gareth-pc ~/g/zcash> ./zcutil/fetch-params.sh | |
Zcash - fetch-params.sh | |
This script will fetch the Zcash zkSNARK parameters and verify their | |
integrity with sha256sum. | |
If they already exist locally, it will exit now and do nothing else. | |
The complete parameters are currently just under 1.7GB in size, so plan | |
accordingly for your bandwidth constraints. If the Sprout parameters are | |
already present the additional Sapling parameters required are just under | |
800MB in size. If the files are already present and have the correct | |
sha256sum, no networking is used. | |
Creating params directory. For details about this directory, see: | |
/home/gareth/.zcash-params/README | |
Retrieving (ipfs): /ipfs/QmZKKx7Xup7LiAtFRhYsE1M7waXcv9ir9eCECyXAFGxhEo/sprout-proving.key | |
Saving file(s) to /home/gareth/.zcash-params/sprout-proving.key.dl | |
868.01 MiB / 868.01 MiB [===============================================================================================================================================] 100.00% 35m53s | |
Download successful! | |
/home/gareth/.zcash-params/sprout-proving.key.dl: OK | |
renamed '/home/gareth/.zcash-params/sprout-proving.key.dl' -> '/home/gareth/.zcash-params/sprout-proving.key' | |
Retrieving (ipfs): /ipfs/QmZKKx7Xup7LiAtFRhYsE1M7waXcv9ir9eCECyXAFGxhEo/sprout-verifying.key | |
Saving file(s) to /home/gareth/.zcash-params/sprout-verifying.key.dl | |
1.42 KiB / 1.42 KiB [=======================================================================================================================================================] 100.00% 0s | |
Download successful! | |
/home/gareth/.zcash-params/sprout-verifying.key.dl: OK | |
renamed '/home/gareth/.zcash-params/sprout-verifying.key.dl' -> '/home/gareth/.zcash-params/sprout-verifying.key' | |
Retrieving (ipfs): /ipfs/QmZKKx7Xup7LiAtFRhYsE1M7waXcv9ir9eCECyXAFGxhEo/sapling-spend.params | |
Error: no link named "sapling-spend.params" under QmZKKx7Xup7LiAtFRhYsE1M7waXcv9ir9eCECyXAFGxhEo | |
Failed to fetch the Zcash zkSNARK parameters! | |
Try installing one of the following programs and make sure you're online: | |
* ipfs | |
* wget | |
* curl |
gareth@gareth-pc ~/g/zcash> ./zcutil/fetch-params.sh
Zcash - fetch-params.sh
This script will fetch the Zcash zkSNARK parameters and verify their
integrity with sha256sum.
If they already exist locally, it will exit now and do nothing else.
Retrieving (ipfs): /ipfs/QmeHWxaqS87cJFjJHXQAz4D82yuSTWPLxv9WfL4fQSu4cc/sprout-proving.key
Saving file(s) to /home/gareth/.zcash-params/sprout-proving.key.dl
868.01 MiB / 868.01 MiB [==================================================================================================================================================] 100.00% 11s
Download successful!
/home/gareth/.zcash-params/sprout-proving.key.dl: OK
renamed '/home/gareth/.zcash-params/sprout-proving.key.dl' -> '/home/gareth/.zcash-params/sprout-proving.key'
Retrieving (ipfs): /ipfs/QmeHWxaqS87cJFjJHXQAz4D82yuSTWPLxv9WfL4fQSu4cc/sprout-verifying.key
Saving file(s) to /home/gareth/.zcash-params/sprout-verifying.key.dl
1.42 KiB / 1.42 KiB [=======================================================================================================================================================] 100.00% 0s
Download successful!
/home/gareth/.zcash-params/sprout-verifying.key.dl: OK
renamed '/home/gareth/.zcash-params/sprout-verifying.key.dl' -> '/home/gareth/.zcash-params/sprout-verifying.key'
Retrieving (ipfs): /ipfs/QmeHWxaqS87cJFjJHXQAz4D82yuSTWPLxv9WfL4fQSu4cc/sapling-spend.params
Saving file(s) to /home/gareth/.zcash-params/sapling-spend.params.dl
45.74 MiB / 45.74 MiB [=====================================================================================================================================================] 100.00% 0s
Download successful!
/home/gareth/.zcash-params/sapling-spend.params.dl: OK
renamed '/home/gareth/.zcash-params/sapling-spend.params.dl' -> '/home/gareth/.zcash-params/sapling-spend.params'
Retrieving (ipfs): /ipfs/QmeHWxaqS87cJFjJHXQAz4D82yuSTWPLxv9WfL4fQSu4cc/sapling-output.params
Saving file(s) to /home/gareth/.zcash-params/sapling-output.params.dl
3.43 MiB / 3.43 MiB [=======================================================================================================================================================] 100.00% 0s
Download successful!
/home/gareth/.zcash-params/sapling-output.params.dl: OK
renamed '/home/gareth/.zcash-params/sapling-output.params.dl' -> '/home/gareth/.zcash-params/sapling-output.params'
Retrieving (ipfs): /ipfs/QmeHWxaqS87cJFjJHXQAz4D82yuSTWPLxv9WfL4fQSu4cc/sprout-groth16.params
Saving file(s) to /home/gareth/.zcash-params/sprout-groth16.params.dl
691.91 MiB / 691.91 MiB [===================================================================================================================================================] 100.00% 7s
Download successful!
/home/gareth/.zcash-params/sprout-groth16.params.dl: OK
renamed '/home/gareth/.zcash-params/sprout-groth16.params.dl' -> '/home/gareth/.zcash-params/sprout-groth16.params'
QmeHWxaqS87cJFjJHXQAz4D82yuSTWPLxv9WfL4fQSu4cc