53 lines
2.4 KiB
JavaScript
53 lines
2.4 KiB
JavaScript
import * as fastFile from "fastfile";
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import exportVerificationKey from "./zkey_export_verificationkey.js";
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// Not ready yet
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// module.exports.generateVerifier_kimleeoh = generateVerifier_kimleeoh;
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export default async function exportSolidityVerifier(zKeyName, templateName, logger) {
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const verificationKey = await exportVerificationKey(zKeyName, logger);
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const fd = await fastFile.readExisting(templateName);
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const buff = await fd.read(fd.totalSize);
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let template = new TextDecoder("utf-8").decode(buff);
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const vkalpha1_str = `${verificationKey.vk_alpha_1[0].toString()},`+
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`${verificationKey.vk_alpha_1[1].toString()}`;
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template = template.replace("<%vk_alpha1%>", vkalpha1_str);
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const vkbeta2_str = `[${verificationKey.vk_beta_2[0][1].toString()},`+
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`${verificationKey.vk_beta_2[0][0].toString()}], `+
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`[${verificationKey.vk_beta_2[1][1].toString()},` +
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`${verificationKey.vk_beta_2[1][0].toString()}]`;
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template = template.replace("<%vk_beta2%>", vkbeta2_str);
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const vkgamma2_str = `[${verificationKey.vk_gamma_2[0][1].toString()},`+
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`${verificationKey.vk_gamma_2[0][0].toString()}], `+
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`[${verificationKey.vk_gamma_2[1][1].toString()},` +
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`${verificationKey.vk_gamma_2[1][0].toString()}]`;
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template = template.replace("<%vk_gamma2%>", vkgamma2_str);
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const vkdelta2_str = `[${verificationKey.vk_delta_2[0][1].toString()},`+
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`${verificationKey.vk_delta_2[0][0].toString()}], `+
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`[${verificationKey.vk_delta_2[1][1].toString()},` +
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`${verificationKey.vk_delta_2[1][0].toString()}]`;
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template = template.replace("<%vk_delta2%>", vkdelta2_str);
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// The points
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template = template.replace("<%vk_input_length%>", (verificationKey.IC.length-1).toString());
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template = template.replace("<%vk_ic_length%>", verificationKey.IC.length.toString());
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let vi = "";
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for (let i=0; i<verificationKey.IC.length; i++) {
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if (vi != "") vi = vi + " ";
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vi = vi + `vk.IC[${i}] = Pairing.G1Point(${verificationKey.IC[i][0].toString()},`+
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`${verificationKey.IC[i][1].toString()});\n`;
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}
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template = template.replace("<%vk_ic_pts%>", vi);
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return template;
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}
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