//redeem accepted by insurance manager: Burn voucher from NanoFin Voucher pool. issue product provider (amount) ie represent IM payment on Blockchain
public async Task <bool> acceptRedeem(string insuranceProductName, int amount)
{
string insuranceProductNameNoSpace = MUtilityClass.removeSpaces(insuranceProductName);
string productProvider = MUtilityClass.removeSpaces(await MUtilityClass.getProductProviderName(insuranceProductName)); // product provider name is the name of the asset on the blockchain.
string productProviderAddress = await MUtilityClass.getProductProviderAddress(client, productProvider);
// await user.grantPermissions(BlockchainPermissions.Connect, BlockchainPermissions.Receive, BlockchainPermissions.Send);
//burn amount worth of voucher from NanoFin pool
string consMetadata = "Product " + insuranceProductNameNoSpace + " (belonging to consumer\'" + user.propertyUserID() + "\' - for amount " + amount.ToString() + ") accepted by " + productProvider + ". Burn " + amount.ToString() + " Voucher - from general NanoFin Voucher Asset pool. " + amount.ToString() + " to be paid to " + productProvider;
var sendWithMetaDataFrom = await client.SendWithMetadataFromAsync(nanoFinAddr, burnAddress, "Voucher", amount, MUtilityClass.strToHex(consMetadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
sendWithMetaDataFrom.AssertOk();
//issue more asset belonging to product provier - represents how much Rand (Zar) NanoFin has paid to the product provider.
if (await isProductOnBlockchain(productProvider) == true)
{
string metadata = "Issue product provider " + productProvider + " " + amount + " of asset: " + productProvider + ". This asset represents the amount of money (South African - Zar) NanoFin has paid the company " + productProvider;
var issueMore = await client.IssueMoreFromWithMetadataAsync(nanoFinAddr, productProviderAddress, productProvider, amount, metadata);
issueMore.AssertOk();
}
else
{
string metadata = "Issue product provider " + productProvider + " asset: " + productProvider + ". This asset represents the amount of money (South African - Zar) NanoFin has paid the company " + productProvider;
var issue = await client.IssueOpenWithMetadataFromAsync(nanoFinAddr, productProviderAddress, productProvider, amount, metadata);
issue.AssertOk();
}
return(true);
}
//spend consumer voucher by sending it to nanofin voucher pool. issue consumer insurance product
public async Task <bool> redeemVoucher(string insuranceProductName, int amount)
{
//if consumer has enough money - explicitly checked in consumer wallet handler
string insuranceProductNameNoSpace = MUtilityClass.removeSpaces(insuranceProductName);
string recipientAddr = user.propertyUserAddress();
//await user.grantPermissions(BlockchainPermissions.Connect, BlockchainPermissions.Receive, BlockchainPermissions.Send);
//SPEND CONSUMER VOUCHER. Voucher goes to NanoFin pool - Voucher dealt with further once product expires (spent - burn addr) or is refunded (nack to consumer)
string metadata = "Consumer \'" + user.propertyUserID() + "\' spent " + amount.ToString() + " Voucher. Voucher to be redeemed for " + amount.ToString() + " " + insuranceProductNameNoSpace;
var sendWithMetaDataFrom = await client.SendWithMetadataFromAsync(user.propertyUserAddress(), nanoFinAddr, "Voucher", amount, MUtilityClass.strToHex(metadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
sendWithMetaDataFrom.AssertOk();
if (await isProductOnBlockchain(insuranceProductNameNoSpace) == true)
{
//issue of insurance product to consumer
var issueMore = await client.IssueMoreFromWithMetadataAsync(nanoFinAddr, recipientAddr, insuranceProductNameNoSpace, amount, "Issue consumer \'" + user.propertyUserID().ToString() + "\' " + amount.ToString() + " " + insuranceProductNameNoSpace);
issueMore.AssertOk();
}
else
{
//issue new asset to user
string issuanceMetadata = "Create insurance product " + insuranceProductNameNoSpace + " asset on the NanoFin blockchain. This asset represents a product belonging to: " + await MUtilityClass.getProductProviderName(insuranceProductNameNoSpace);
var issue = await client.IssueOpenWithMetadataFromAsync(nanoFinAddr, recipientAddr, insuranceProductNameNoSpace, amount, issuanceMetadata);
issue.AssertOk();
}
return(true);
}
public async Task <MUserController> init()
{
//userAddress = await MUtilityClass.getAddress(client, user_ID, BlockchainPermissions.Receive,BlockchainPermissions.Send);
userAddress = await MUtilityClass.getAddress(client, user_ID);
return(this);
}
public async Task <MConsumerController> init()
{
user = await user.init();
nanoFinAddr = await MUtilityClass.getAddress(client, 1);
burnAddress = await MUtilityClass.getBurnAddress(client);
return(this);
}
public async Task <bool> isProductOnBlockchain(string insuranceProductName)
{
insuranceProductName = MUtilityClass.removeSpaces(insuranceProductName);
var assets = await client.ListAssetsAsync();
assets.AssertOk();
AssetResponse singleAssetResponse = null;
foreach (var asset in assets.Result)
{
singleAssetResponse = asset;
if (singleAssetResponse.Name.Equals(insuranceProductName))
{
return(true);
}
}
return(false);
}
//send voucher from nanofin voucher pool back to consumer. burn insurance product asset customer currently owns
public async Task <bool> refundConsumer(string insuranceProductName, int amount)
{
string insuranceProductNameNoSpace = MUtilityClass.removeSpaces(insuranceProductName);
//await user.grantPermissions(BlockchainPermissions.Connect, BlockchainPermissions.Receive, BlockchainPermissions.Send);
//refund consumer voucher balance - send asset from nanoFin pool
string consMetadata = "Consumer \'" + user.propertyUserID() + "\' received " + amount.ToString() + " Voucher. *Voucher refund - " + insuranceProductNameNoSpace + " was rejected by the product provider.* ";
var sendWithMetaDataFrom = await client.SendWithMetadataFromAsync(nanoFinAddr, user.propertyUserAddress(), "Voucher", amount, MUtilityClass.strToHex(consMetadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
sendWithMetaDataFrom.AssertOk();
//spend (insurance) asset belonging to consumer. Insurance asset burned
string InsMetadata = "Refund consumer\'" + user.propertyUserID() + "\' - consumer rejected to redeem" + insuranceProductNameNoSpace + ". Burn " + amount.ToString() + " " + insuranceProductNameNoSpace + ".";
var insSendWithMetaDataFrom = await client.SendWithMetadataFromAsync(user.propertyUserAddress(), burnAddress, insuranceProductNameNoSpace, amount, MUtilityClass.strToHex(InsMetadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
sendWithMetaDataFrom.AssertOk();
return(true);
}
//product expiration: burn consumer insurance product asset. STILL TODO check if IM has been paid - if not send voucher from nanofin voucher pool to IM.
public async Task <bool> invalidateProduct(string insuranceProductName, int amount)
{
string insuranceProductNameNoSpace = MUtilityClass.removeSpaces(insuranceProductName);
//await user.grantPermissions(BlockchainPermissions.Connect, BlockchainPermissions.Receive, BlockchainPermissions.Send);
////NOTE CHECK IF IM HAS BEEN PAID
////spend product worth of voucher from NanoFin pool
//string consMetadata = "Product " + insuranceProductNameNoSpace + " expired. Burn " + amount.ToString() + " Voucher - from general NanoFin Voucher Asset pool. " + amount.ToString() ;
//var sendWithMetaDataFrom = await client.SendWithMetadataFromAsync(nanoFinAddr, burnAddress, "Voucher", amount, MUtilityClass.strToHex(consMetadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
//sendWithMetaDataFrom.AssertOk();
//spend (insurance) asset belonging to consumer. Insurance asset burned
string InsMetadata = "Product " + insuranceProductNameNoSpace + " expired. Burn " + amount.ToString() + " " + insuranceProductNameNoSpace + " - from consumer \'" + user.propertyUserID() + "\'. ";
var insSendWithMetaDataFrom = await client.SendWithMetadataFromAsync(user.propertyUserAddress(), burnAddress, insuranceProductNameNoSpace, amount, MUtilityClass.strToHex(InsMetadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
insSendWithMetaDataFrom.AssertOk();
return(true);
}
//consumer send amount voucher to consumer.
public async Task <bool> sendVoucherToConsumer(int recipientUserID, int amount)
{
//check if current user has enough to send
if (await MUtilityClass.hasAssetBalance(client, user.propertyUserID(), "Voucher", amount) == true)
{
//await user.grantPermissions(BlockchainPermissions.Connect, BlockchainPermissions.Send);
//check recipient user has the correct permissions, if not grant permissions
//MUserController recipientUser = new MUserController(recipientUserID);
//recipientUser = await recipientUser.init();
//await recipientUser.grantPermissions(BlockchainPermissions.Receive);
// string recipientAddr = await MUtilityClass.getAddress(client, recipientUserID, BlockchainPermissions.Receive);
string recipientAddr = await MUtilityClass.getAddress(client, recipientUserID);
string metadata = "Consumer \'" + user.propertyUserID() + "\' sent " + amount.ToString() + " Voucher " + " to consumer \'" + recipientUserID.ToString() + "\'";
var sendWithMetaDataFrom = await client.SendWithMetadataFromAsync(user.propertyUserAddress(), recipientAddr, "Voucher", amount, MUtilityClass.strToHex(metadata)); //metadata has to be converted to hex. convert back to string online or with MUtilityClasss
return(true);
}
return(false);
}