https://proxy.golang.org/github.com/isti4github/eth-ecc/@v/v0.0.0-20201227085832-c337f2d99319.zip: https://proxy.golang.org/github.com/isti4github/eth-ecc/@v/v0.0.0-20201227085832-c337f2d99319.zip: 429 Too Many Requests